01 -
Shape the burger patties and pop them in the fridge for about 35 to 40 minutes.
02 -
Stir the garlic paste into the mayo. Keep it on the side for later.
03 -
Dice the red onions and green peppers. In a hot cast iron skillet, toss veggies with butter and a bit of salt. Keep stirring for around 8-10 minutes until soft, then set aside.
04 -
Generously sprinkle your patties with pepper, garlic powder, and salt. Grill over direct heat, letting them cook for about 6 minutes per side.
05 -
In a heated cast iron skillet, quickly warm the deli pepperoni slices, cooking each side for roughly 1 to 1.5 minutes.
06 -
After the first side of patties is done, flip them and keep grilling for 2 more minutes. Layer with pizza sauce, provolone cheese, and the cooked pepperoni slices. Close the lid and let it cook another 4 minutes, then remove and place them on a cooling rack.
07 -
Lightly toast the buns. Spread garlic mayo on each side. Add the grilled patties, then top with sautéed onions and peppers. Put the tops on and dig in.