German Chocolate Sheet Cake, 1st Recipes Style

By: Ordinary Glow Team Updated on September 6, 2026 Baking & Sweets

Tags: #german-chocolate #sheet-cake #coconut #pecans #potluck

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Updated on September 6, 2026

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German Chocolate Sheet Cake square with coconut-pecan frosting in a pan Pin it
German Chocolate Sheet Cake square with coconut-pecan frosting in a pan

German Chocolate Sheet Cake is the kind of dessert that makes a kitchen smell like butter, cocoa, toasted pecans, and vanilla all at once. This 1st Recipes style version keeps the old-fashioned coconut-pecan topping, but skips the fuss of stacking layers.

The cake is soft from buttermilk and melted sweet baking chocolate. The frosting cooks on the stove until it turns custardy, then coconut and pecans go in while it is still warm and glossy.

The Coconut-Pecan Lineup

Use German's sweet chocolate if you can find it because it gives the cake its familiar mild cocoa flavor. Toasted pecans, sweetened coconut, buttermilk, and evaporated milk do most of the heavy lifting.

Ingredients for German Chocolate Sheet Cake with coconut and pecans
Ingredients for German Chocolate Sheet Cake with coconut and pecans
  • German's sweet chocolate. Adds the signature gentle chocolate flavor and melts smoothly into the batter.
  • Unsweetened cocoa powder. Deepens the cake so it does not taste flat under the sweet frosting.
  • Buttermilk. Keeps the crumb tender and gives the baking soda what it needs to lift the cake.
  • Eggs and egg yolks. Whole eggs structure the cake, while yolks thicken the cooked frosting.
  • Evaporated milk. Makes the topping rich without watering it down.
  • Sweetened coconut. Gives the frosting its chewy texture and old-fashioned flavor.
  • Pecans. Toasted pecans add crunch and a buttery finish.
  • Vanilla and salt. Round out the sweetness and make the chocolate taste fuller.

German Chocolate Sheet Cake Method

  1. Prep the pan. Heat the oven to 350°F and grease a 9x13-inch metal pan. Line the bottom with parchment if you want extra-easy slicing.
  2. Melt the chocolate. Warm the sweet chocolate with hot water until smooth, then let it cool for a few minutes so it does not scramble the eggs.
  3. Mix the batter. Beat butter and sugar until pale, add eggs one at a time, then mix in vanilla and the melted chocolate. Alternate the dry ingredients with buttermilk and stop as soon as the flour disappears.
  4. Bake the cake. Spread the batter into the pan and bake until the center springs back and a toothpick has a few moist crumbs, about 32-36 minutes.
  5. Cook the frosting. Stir evaporated milk, yolks, sugar, butter, and salt over medium heat until thick and glossy. Keep the spoon moving so the yolks thicken gently.
  6. Finish the topping. Off the heat, stir in vanilla, coconut, and toasted pecans. Cool until spreadable, then spoon it over the cooled cake and let it set before cutting.
Four steps for making German Chocolate Sheet Cake and frosting
Four steps for making German Chocolate Sheet Cake and frosting

Why This Cake Works

The sheet pan format makes this cake friendlier for birthdays, potlucks, and Sunday dessert. You get the same chocolate-coconut-pecan bite without splitting layers or chasing frosting down the sides. The method leans on buttermilk for tenderness and a warm chocolate mixture for a smooth batter.

German chocolate cake has American roots, despite the name. The dessert is tied to German's sweet baking chocolate, and the history is explained clearly by Smithsonian Magazine. If you like chocolate desserts with a nostalgic edge, save Easy Texas Turtle Sheet Cake for another big-pan bake.

Frosting Texture Matters

The topping should look glossy and thick before coconut and pecans go in. If it is thin like milk, keep stirring. If it leaves a soft trail on the bottom of the saucepan, you are close. King Arthur Baking uses a similar sheet cake idea with a coconut-pecan topping, which is a helpful model for the texture.

Let the frosting cool before spreading. Warm frosting should mound softly on the spoon. Hot frosting runs into the cake and makes messy slices. For a smaller pecan-forward treat, the texture of Pecan Cheesecake Squares hits the same sweet, nutty lane.

Smart Swaps And Fixes

Semi-sweet baking chocolate can stand in for German's sweet chocolate. The flavor will be darker, but still good. Do not use chocolate chips as the first choice because stabilizers can make them melt unevenly. If you only have chips, melt them slowly and stir often.

Walnuts can replace pecans in a pinch, though pecans taste more traditional. Unsweetened coconut works if you want less sweetness, but the frosting will taste less like the bakery-style version. For more chocolate background, the site's cacao powder and dark chocolate guide is useful when choosing cocoa.

Cooling, Cutting, And Serving

This cake cuts best after the topping has rested for at least 45 minutes. Use a thin knife and wipe it between slices if you want clean squares. I like small pieces because the frosting is rich, and a little cold milk or hot coffee makes the sweetness land better.

If you are building a dessert table, pair this with something bright like Key Lime Cheesecake or something no-bake like Homemade Mounds Bars. The contrast keeps every plate from feeling heavy.

Storage Without Soggy Slices

Because the frosting is cooked with egg yolks and milk, I refrigerate leftovers once the cake has cooled and the topping has set. The FDA recommends keeping foods that need refrigeration cold and following the two-hour room temperature rule, explained in its food storage guidance.

Cover the pan tightly and refrigerate for up to 5 days. The cake tastes best after 20-30 minutes at room temperature. Freeze the cake unfrosted if you want to make it far ahead, then cook the topping fresh for the best texture.

Summary

Serve this cake chilled or at room temperature once the topping has set. It is rich, sweet, and made for small slices with coffee.

German Chocolate Sheet Cake slice with glossy coconut-pecan topping
German Chocolate Sheet Cake slice with glossy coconut-pecan topping

Frequently Asked Questions

Is German Chocolate Sheet Cake actually German?

No. German chocolate cake is an American dessert named for German's sweet baking chocolate, not the country. The famous coconut-pecan topping became popular through mid-century American home baking.

Can I use semi-sweet chocolate instead of German's sweet chocolate?

Yes, but the cake will taste a little deeper and less sweet. If you use semi-sweet chocolate, keep the sugar as written for a balanced sheet cake.

Why is my coconut-pecan frosting runny?

It probably needed more time on the stove or more cooling before spreading. Cook it until it thickens enough to coat the spoon, then let it stand for 15-20 minutes so the coconut and pecans help tighten it.

Can I make this cake the day before?

Yes. Bake, cool, frost, and refrigerate it covered. Pull it out 30-45 minutes before serving so the frosting softens and the chocolate crumb tastes fuller.

Can I freeze German Chocolate Sheet Cake?

You can freeze the unfrosted cake for up to 2 months. Wrap it tightly after cooling, then thaw it overnight and add freshly cooked frosting before serving.

What should I serve with this cake?

Small squares are enough because the frosting is rich. Coffee, cold milk, lightly sweet tea, or fresh berries all work well beside the chocolate, coconut, and pecans.

References

Reliable references aided in composing and refining this content.
4.70 from 4 votes

German Chocolate Sheet Cake, 1st Recipes Style

Prep Time:
25 Minutes
Cook Time:
50 Minutes
Total Time:
75 Minutes
Servings:
16
German Chocolate Sheet Cake square with coconut-pecan frosting in a pan

A moist chocolate sheet cake topped with thick coconut-pecan frosting, baked in one pan for easy sharing.

Ingredients

  • For the chocolate sheet cake

  • 4 oz (113 g) German's sweet baking chocolate, chopped
  • 1/2 cup (120 ml) hot water
  • 2 cups (250 g) all-purpose flour
  • 1/4 cup (25 g) unsweetened cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon fine salt
  • 3/4 cup (170 g) unsalted butter, softened
  • 1 3/4 cups (350 g) granulated sugar
  • 4 large eggs, room temperature
  • 2 teaspoons vanilla extract
  • 1 cup (240 ml) buttermilk, room temperature
  • For the coconut-pecan frosting

  • 1 cup (240 ml) evaporated milk
  • 3 large egg yolks
  • 1 cup (200 g) granulated sugar
  • 1/2 cup (113 g) unsalted butter, cut into pieces
  • 1/4 teaspoon fine salt
  • 1 1/2 teaspoons vanilla extract
  • 1 1/2 cups (130 g) sweetened shredded coconut
  • 1 1/4 cups (140 g) pecans, toasted and chopped

Instructions

1.

1. Prepare the pan: Heat the oven to 350°F. Grease a 9x13-inch baking pan and line the bottom with parchment if desired.

2.

2. Melt the chocolate: Stir the chopped German's sweet chocolate with the hot water until smooth. Let it cool for 5 minutes.

3.

3. Mix the dry ingredients: Whisk the flour, cocoa powder, baking soda, and salt in a medium bowl until evenly combined.

4.

4. Make the batter: Beat the butter and sugar until light and creamy, about 3 minutes. Add the eggs one at a time, then mix in vanilla and melted chocolate. Add the dry ingredients in three additions, alternating with buttermilk, and mix just until smooth.

5.

5. Bake the cake: Spread the batter evenly in the pan. Bake for 32-36 minutes, until the center springs back lightly and a toothpick comes out with a few moist crumbs. Cool completely in the pan.

6.

6. Cook the frosting: In a saucepan, whisk evaporated milk, egg yolks, sugar, butter, and salt. Cook over medium heat, stirring constantly, for 10-12 minutes until thick enough to coat a spoon.

7.

7. Add coconut and pecans: Remove the pan from the heat. Stir in vanilla, coconut, and toasted pecans. Cool for 15-20 minutes, stirring once or twice, until thick but spreadable.

8.

8. Frost and set: Spread the frosting over the cooled cake. Let it set for at least 45 minutes before slicing into squares.

Notes

  1. Cooling and setting time adds about 1 hour beyond active prep and baking.
  2. For clean slices, wipe the knife between cuts.
  3. Serve chilled or at room temperature.

Tools You'll Need

  • 9x13-inch baking pan
  • Mixing bowls
  • Electric mixer
  • Medium saucepan
  • Whisk
  • Rubber spatula

Allergy Information

Check ingredients for allergens and consult a health professional if needed.
  • Dairy
  • Eggs
  • Gluten
  • Tree nuts

Nutrition Facts (Per Serving)

Nutrition information is approximate and should not replace medical advice.
  • Calories: 510
  • Total Fat: 29 g
  • Total Carbohydrate: 58 g
  • Protein: 6 g