Preheat oven to 350 degrees.
Grease a 9x13 pan and cover with parchment paper, going up the sides. Grease the parchment paper. Set aside
Melt the butter in a small saucepan. Cook after it has melted until the color begins to darken and the butter becomes more fragrant. This will add, a nutty, almost caramel flavor to the blondies. Once the butter has browned, transfer to a bowl and let cool until it just begins to solidify. You can place the butter in the refrigerator to cool
In a small bowl, whisk together the flour, baking powder, and salt
Take the butter out from the fridge, add both sugars, and whisk until smooth. Then add the eggs and vanilla and whisk
Add the dry ingredients and stir until they’re incorporated. The consistency will be thick
Pour the batter into the pan. Sprinkle the chocolate chips across the batter. Add the jam across the batter and either swirl, or just drop in. Place it in the middle rack in the oven
Bake until it begins to golden and a toothpick comes out clean when inserted. About 20-25 minutes
Let cool and serve