In a large skillet, combine 1 ½ lbs ground beef with 1 yellow onion chopped, seasonings - ½ tsp cumin, ¼ tsp garlic powder, ¼ tsp onion powder, ¼ tsp oregano, ¼ tsp chili powder, ¼ tsp smoked paprika, ¼ tsp salt. Fully cook on medium-high heat until browned. Drain any excess fat and set aside.
Preheat oven to 400 degrees Fahrenheit.
Dice the ½ cup red onion, 1 cup tomatoes, and shred 2 ½ cups iceberg lettuce.
Lay out tortillas and add an even amount of refried beans to each.
Add an even amount of seasoned ground beef to each.
Sprinkle shredded cheese on each.
Top with about a tablespoon of red onion.
Carefully roll the flour tortillas up one by one, making sure all of the ingredients are tucked tightly inside.
Place folded side down on parchment-lined baking sheet.
Brush each with melted butter and bake at 400 degrees Fahrenheit for 25 minutes.
Serve with Cilantro Greek Yogurt and a side of lettuce, tomato, and remaining red onion.
