1 package Beyond Burger®
3 tablespoons of olive oil
2 tablespoons of white onion, minced
2 large garlic cloves, minced
2 cups of BBQ sauce
1 teaspoon of salt
1 teaspoon of pepper
1 package of Pretzilla mini buns
2 tablespoon of sweet pickle relish
6 slices of vegan American cheese
6 slices of vegan cheddar cheese
3 tablespoons of vegan butter, melted