Drain the excess bacon grease into a heat-proof container, leaving the parchment paper on the sheet. To the baking sheet, add the panko, paprika, garlic powder, dried thyme, salt, and pepper. Pour over 1 tablespoon of the residual bacon grease, and toss to combine, coating all of the crumbs in the grease and ensuring they are evenly coated. Transfer the sheet back to the oven on the middle rack and bake for 5 to 7 minutes, stirring halfway through, until the crumbs are crisp and golden brown. Allow to cool entirely before tossing into the salad.