1️⃣ Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
2️⃣ In a large bowl, beat butter, peanut butter, brown sugar, and granulated sugar until fluffy.
3️⃣ Add egg and vanilla extract, mixing until incorporated.
4️⃣ In another bowl, whisk together flour, baking soda, baking powder, and salt.
5️⃣ Gradually mix dry ingredients into wet ingredients until a soft dough forms.

6️⃣ Roll the dough into 1-inch balls and place 2 inches apart on the baking sheet.
7️⃣ Flatten each ball slightly with a fork in a crisscross pattern.
8️⃣ Bake for 8-10 minutes until lightly golden.
9️⃣ Let cool on the sheet for 5 minutes, then transfer to a rack.

🔟 Stir jam and powdered sugar until smooth. If too thick, warm in the microwave for 5-10 seconds.

1️⃣1️⃣ Spread 1 teaspoon of jam on the bottom of one cookie, then top with another cookie.
1️⃣2️⃣ Gently press to create a sandwich and repeat with remaining cookies.

1️⃣3️⃣ These cookies are perfect for snacking, dessert, or as a peanut butter jelly appetizer at parties!