Set oven to 350 F.
In small bowl mix together fresh chopped strawberries and preserves.
In another bowl mix together flour, baking powder, and salt.
In another bowl cream together butter and sugar.
Add egg whites, vanilla extract, and food coloring into fully incorporated.
Add dry ingredients with milk, beating on low speed.
Fold in strawberries and preserves.
Fill cupcake liners to 3/4 full and bake for 25 minutes.
Whisk heavy cream until stiff peaks form. (medium speed)
In another bowl whisk together mascarpone and powdered sugar until smooth.
Fold in whipped cream until fully incorporated.
Pipe onto cooled cupcakes.