24 cupcakes with sour cream filling Recipes

strawberry cake mix (regular size), sour cream, eggs, strawberry preserves, vanilla frosting, divided, red nonpareils and pink jimmies, optional

all-purpose flour, plus extra for dusting pan, baking powder, salt, unsalted butter, at room temperature, plus extra for greasing pan, granulated sugar, eggs, at room temperature, pure vanilla extract, whole milk, cajeta, mexican vanilla buttercream frosting, cajeta is a mexican caramel sauce made from goats milk that can be found in latin markets. if unavailable , use a rich dark caramel sauce, powdered sugar, unsalted butter, at room temperature, salt, vanilla extract, mexican crema or sour cream, plus extra as needed

butter, softened, sugar, eggs, vanilla extract, key lime juice, zest of two lime, all-purpose flour, baking soda, baking powder, salt, sour cream, frozen blackberries, sugar, juice of 1 lemon, cornstarch, salt, butter, softened, vanilla extract, seedless blackberry jam, salt, powdered sugar, milk