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Export 8 ingredients for grocery delivery
Step 1
Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 10x15 inch pan. Sift together the flour and baking powder; set aside.
Step 2
In a large bowl, combine eggs, sugar and vanilla. Beat on high speed of an electric mixer until light and lemon-colored. Beat in the flour mixture. Microwave milk and margarine about 2 minutes, or until it begins to bubble. Stir into batter.
Step 3
Pour batter into 10x15 inch pan. Bake in the preheated oven for 20 to 25 minutes, or until a toothpick inserted into the center of the cake comes out clean.
Step 4
When cake is cool, plop peanut butter all over and spread evenly to the edges. Refrigerate to set, about 1 hour.
Step 5
In a microwave safe dish, melt chocolate and spread evenly over peanut butter layer. Refrigerate to allow chocolate to harden.