bell pepperolives, avocado, for topping (optional)
Heat oil in a sauce pan on medium heat and stir fry ground beef until redness is off.
Add the onions and garlic to the beef and continue cooking until translucent and aromatic.
Stir in the tomato paste and continue to cook for another 2-3 minutes. Stirring occasionally until mixture turns red.
Add in the tomato sauce, stock, beans, chili powder, cumin powder and sugar.
When the mixture boils, lower the heat to put into simmering stage.
Stir in the cheese and season to taste.
Using a 9x9 square ceramic or glass dish, pour a little amount of beef sauce at the bottom of the dish then top with 2 pieces of tortilla wrap. Pour enough beef sauce to cover the entire area of the wrap. Repeat layering the remaining tortilla wrappers and beef sauce.
Top with more cheese.
Broil until cheese starts to melt and is bubbly.
Top with chopped bell pepper, olives and avocado. Serve