In a medium-sized bowl, use a fork and combine 4 tablespoon of softened butter with the vanilla pudding powder and ½ cup of flour. Blend until it is crumbly.
Spread the vanilla mixture evenly on the baking pan.
Clean out the bowl and repeat the steps using 4 tablespoon of softened butter with the strawberry gelatin powder and ½ cup of flour. Blend until it is crumbly.
Spread the strawberry mixture on the vanilla crumbles and mix until it is well blended.
Bake at 350℉ for about 10 minutes - stirring every 3-4 minutes to prevent the tops from burning or browning.
Remove from the oven and set aside to let cool.
Vanilla Cupcakes
Line muffin tins with 16 cupcake liners.
Start by adding sifted flour, baking powder, and salt into a medium-sized bowl. Blend well.
In a large bowl, beat together the softened butter and sugar until well combined.
Slowly beat in the egg whites.
Beat in the vanilla, sour cream, and milk. Do not overbeat.
Slowly add the dry ingredients into the wet ingredients until combined and blended. Be careful not to overbeat.
Bake in the oven for about 14-16 minutes. Check the center of a cupcake for doneness.
Remove from oven, let cool for 10 minutes before moving to a wire rack to cool completely.
Let the cupcakes cool completely before removing centers of the cupcakes and filling with strawberry crumbles.
To make Cream Cheese Buttercream Frosting
Beat the softened cream cheese until smooth.
Slowly add in the powdered sugar until it is all mixed into the cream cheese.
Add in the vanilla and blend.
Add in 2 -3 tablespoon of milk or as needed to create the desired consistency for frosting. To pipe the cupcakes, you will need a stiffer frosting to hold shape.