1: Preheat oven to 350°F.
2: In a mixing bowl, combine chicken, peppers, onion, garlic, salt, pepper, garlic powder, smoked paprika, and chili powder. Mix well.
3: Add oil to the mixture and mix until well combined.
4: Heat oil in a skillet over medium-high heat. Once hot, add the chicken mixture and cook for 15 minutes or until the chicken is cooked through.
5: Make the sauce by mixing all the sauce ingredients in a bowl until smooth.
6: Assemble the sliders by spreading sauce on the bottom buns, followed by Monterey Jack pepper cheese, a layer of chicken, and a sprinkle of cheddar cheese. Top with the top bun.
7: Glaze the top bun with melted butter and sprinkle with chopped parsley.
8: Cover the tray from top with foil or parchment paper and bake for 15-20 minutes, or until the cheese is melted.