If you're a fan of spicy food, this spicy meatball sub recipe is for you. The meatballs are made with ground beef, breadcrumbs, Parmesan cheese, and a combination of spices that give them a kick. The sub rolls are filled with the spicy meatballs, marinara sauce, and melted pepper jack cheese. The result is a fiery and flavorful sandwich that will satisfy your cravings. To make the spicy meatballs, you will need 1 pound of ground beef, 1/2 cup of breadcrumbs, 1/4 cup of grated Parmesan cheese, 1/4 cup of chopped fresh cilantro, 1 teaspoon of cayenne pepper, 1/2 teaspoon of garlic powder, 1/2 teaspoon of onion powder, 1/2 teaspoon of salt, and 1/4 teaspoon of black pepper. In a large bowl, combine all the ingredients and mix until well combined. Shape the mixture into meatballs, about 1 inch in diameter. In a large skillet, heat some olive oil over medium heat. Add the meatballs and cook until browned on all sides, about 8-10 minutes. Remove the meatballs from the skillet and... Leer más