Strawberry Thumbprint Cupcake Recipe | Say Mmm

Ingredients

• 2 cups sifted flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 8 tablespoons unsalted butter, room temperature
• 1 cup sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 cup sour cream
• 1 cup pureed strawberries, frozen and thawed, or fresh
• 1 cup chopped walnuts
• Strawberry preserves
• 1 cup whipping cream
• 1 teaspoon vanilla
• 3/4 cup confectioners' sugar
• 8 ounces cream cheese
• 1 cup coarsely chopped walnuts