Mexican Taco Lasagna

Ingredients :

° 2 tbsp salt butter
° 1 yellow onion, finely chop
° 1 pound lean ground-beef
° 2 garlic cloves, de-seeded and finely chopped
° 1 m. chili powder
° 1 m. ground cumin
° 16 oz store-bought Mexican hot sauce (preferably with chunks)
° Salt and pepper from the grinder
° 3 large wheat tortillas, cut into 20 cm by 20 cm (8 by 8 in) squares
° 3 c louis serr cheese
° cherry-tomatoe
° 1 avocado, cut into thin slices
° 1 cup sour cream
° 2C iceberg lettuce slice
° Crushed hot pepper or hot sauce
° Fresh lemon juice

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