- 1/2 cup (1 stick) unsalted butter, melted, plus more for pan
 - 1 1/4 cups all-purpose flour
 - 1 teaspoon baking powder
 - 1 teaspoon kosher salt
 - 2 large eggs
 - 1 1/2 cups light brown sugar
 - 3/4 cup smooth peanut butter
 - 1 teaspoon vanilla extract
 - 2 tablespoons strawberry jam
 - 1 tablespoon chopped honey-roasted peanuts
 - Flaky sea salt (such as Maldon)
 
- Whisk together 1 1/4 cups all-purpose flour, 1 teaspoon baking powder, and 1 teaspoon kosher salt. Whisk together 2 large eggs, 1 1/2 cups light brown sugar, 3/4 cup smooth peanut butter, 1/2 cup melted unsalted butter, and 1 teaspoon vanilla extract; fold in dry ingredients. Scrape batter into a buttered 8×8″ baking pan. Dollop with 2 tablespoons strawberry jam; top with 1 tablespoon chopped honey-roasted peanuts. Bake at 350°F until a tester comes out clean, 35–40 minutes. Sprinkle with flaky sea salt.