To make the taco meat…In a saucepan, heat the oil on medium-low, add bell pepper, onion, and jalepeno. Cook until onion is translucent (~ 5 min.). Add minced garlic. Add ground beef. Add cumin, chili powder, salt, pepper, and cayenne. Stir and cook until meat is cooked through (~15 min). Drain fat and adjust seasoning as needed.
To make the queso…In a saucepan on medium-low, mix together the Rotel, chicken broth and corn starch, mix well and cook until the sauce has thickened (~2 min). Thrn the heat down to low. Working in batches, stir in a handful of cheese. Once melted, add another handful and repeat until all melted. Add salt to taste.
To serve…Spoon the meat into a 9 inch square dish. Top with cheese mixture. Garnish with guacamole and sour cream. Serve with Tortilla Chips.