01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a large bowl, beat softened butter and granulated sugar until light and fluffy.
03 - Beat in egg and vanilla extract until fully incorporated.
04 - In a separate bowl, whisk together flour, baking powder, and salt.
05 - Gradually blend dry ingredients into wet mixture until just combined.
06 - Gently fold in diced strawberries and strawberry jam until evenly distributed.
07 - Scoop tablespoon-sized dough balls onto prepared baking sheets, spacing 2 inches apart.
08 - Bake for 11-13 minutes until edges begin to turn golden.
09 - Immediately press a chocolate kiss into center of each warm cookie.
10 - Let rest on baking sheet for 5 minutes, then transfer to wire rack.