1
Heat oil in a saucepan.
2
Add onion; saute 5 minutes.
3
Add garlic, sugar, cumin, oregano; saute 2 minutes.
4
Add beer, tomatoes, broth; simmer 20 minutes.
5
Add vinegar.
6
Heat oven to 400F.
7
Chop avocados; toss with cilantro and next 4 ingredients.
8
Spread 1/2 cup sauce on the bottom of a casserole.
9
Dip tortillas in remaining sauce; spoon 3 tablespoons of filling onto each.
10
Roll up and arrange, seam side down, in dish.
11
Pour sauce over, sprinkle with cheese.
12
Cover; bake 25 minutes.
13
Remove foil; bake 5 minutes.
14
Let cool and serve.