INGREDIENTS
1
Blackberries
2 tbsp
Lemon, zest
1 cup
Lemon-lime soda
2 tbsp
Lime, zest
5
Eggs
1 tbsp
Lemon juice
1 tbsp
Lime juice
3 cups
All-purpose flour
3 1/8 cups
Granulated sugar
2 cups
Powdered sugar
3/4 tsp
Salt
1
Baking spray, Nonstick
3 sticks
Butter, unsalted
1 cup
Heavy cream