Red Velvet Cake with Whipped Cream Frosting

Name: Red Velvet Cake with Whipped Cream Frosting
Prep time: 30 min
Cook time: 1 h 10 min
Total time: 1 h 40 min
Cuisine: American
Ingredients: 2½ cup all-purpose flour; 0.5 oz baking powder (That's one small package.); 4 tsp cocoa; 5 tbsp powdered sugar; 8 tbsp granulated sugar; ½ tsp salt; 2 eggs; ½ cup softened butter; 1½ cup buttermilk; 2 tsp apple vinegar; 1 tbsp red food coloring; 8.8 oz white chocolate; 1 cup heavy whipping cream (For melting white chocolate.); 1½ cup heavy whipping cream (To whip with white chocolate mixture.); ¼ cup powdered sugar; 2 tsp vanilla extract