Ingredients:

• 1 small yellow onion
• 1-2 carrots
• 1-2 stalks of celery
• vegetable oil
• 1 lb ground beef
• 2 tbsp taco seasoning
• tomatoes
• avocados
• cheddar cheese
• salsa
• greens (lettuce, cabbage, spinach, etc)
• 15 oz can of refried beans
• tortillas

Directions:

First, make mirepoix: dice the onion, carrots and celery. Add a little vegetable oil to a medium-hot pan and cook the mixture until the onion starts to become translucent. Add the ground beef and break up with a spatula, cooking until it browns and cooks through. Add taco seasoning and mix.

Prepare toppings: chop tomatoes and avocados, grate the cheese, heat refried beans, and wash and prepare the greens.

Serve with tortillas, salsa and any other desired toppings.