Epic Beef Nachos Supreme

Name: Epic Beef Nachos Supreme
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Ingredients: Taco Seasoning; Ground beef - 1 pound; Yellow Onion - half; Tortilla Chips - 2 bags; Refried beans - 1 can; Shredded cheese (any - 16 ounces); Roma Tomatoes - 3; Green Onions - 2 to 3