Cut the tops off of dried chiles and place in a saucepan with enough water to cover.
Add the whole tomatoes to the saucepan
Bring to a boil and simmer for 15 minutes.
Drain water and place chiles & tomatoes into a food processor or blender with garlic and 1 tsp each salt, pepper, cumin, and whole cloves
Purée red sauce until smooth.
Press red sauce through a strainer and set aside.
Heat 2 tsp oil in a sauté pan.
Add the chopped onions and tomatoes and sauté for 5-8 minutes, until soft.
Add the shredded rotisserie chicken, heat and toss to mix.
Heat oil in a separate large skillet over medium heat.
Dip each tortilla in the red sauce, then place in the hot oil.
Turn over almost immediately and fry for about 5 seconds on the other side.
Remove dipped tortilla to a serving plate
Take one fried tortilla at a time and fill with about 2 tbsp of the chicken/onion/tomato mixture
Roll up and place seam side down on a plate.
Top tortillas in the following order: Start with a small handful of the shredded lettuce, 2 tbsp of queso fresco, and sliced avocados.
Serve with rice on the side as well as sour cream, if desired.