This is really easy and kids can choose their favourite fillings ! 

Makes about 24

• 1/2 cup unsalted butter, at room temperature
• 1/2 cup granulated sugar
• 1+1/4 cup all-purpose flour
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1 egg
• 1 teaspoon pure vanilla extract
• Fruit jams or fillings of your choice

1. Preheat oven to 325 ºF
2. Sift together flour, baking powder and salt, set aside
3. In an electric mixer with paddle attachment, cream butter and sugar until light and fluffy
4. Add egg and vanilla, mix well
5. Add flour mixture in 2 to 3 portions, mix well, scraping sides of bowl
6. Roll dough into small balls, about 2 teaspoons each, and place on cookie sheets lined with parchment paper, 2 inches apart
7. Gently crate an indentation in the middle of balls with thumb or end of a wooden spoon
8. Bake for about 10 minutes, remove from oven, crate centres again
9. Return cookies to oven and bake for another 8 minutes or until golden
10. Cool on cookie sheets for about 5 minutes and then on rack until completely cooled
11. Fill centres with fruit jam or spread of your choice (Nutella, peanut butter, etc.)