Strawberry Thumbprints Recipe | Co+op

Ingredients

• 1 1/2 cups all-purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon salt
• 1 stick unsalted butter
• 1/2 cup sugar
• 1 large egg yolk
• 1 teaspoon pure vanilla extract
• 1/4 cup strawberry jam