Seasoned ground beef with crispy tortilla chips, Mexican cheeses, fresh guacamole, sour cream, jalapenos, fresh salsa, green onions, and cilantro make the best beef nachos!
Heat oil in a large skillet over medium heat. Cook onion until until softened, about 7-8 minutes. Add ground beef increase heat to medium-high heat and cook, breaking meat into small pieces until no longer pink -- about 6 minutes. Add chili powder, garlic powder, cumin, salt, and pepper and stir to coat. Add tomato paste and water and cook for 6-8 minutes longer.
Transfer to plate lined with paper towels to soak up grease.
Heat oven to low broil.
Place refried beans in a microwave-safe bowl. Heat in microwave for 1 minute or until nice and warm and easy to stir. If desired, stir in chopped jarred jalapenos.
Line large baking sheet with tortilla chips.
Top chips with warmed refried beans and spicy beef. Top with cheese. Broil for 2-4 minutes, or until cheese is melted, keeping a close eye on it.
Top with sour cream, avocados, jalapenos, green onions, cilantro, and salsa.