Preparation / Directions:
MICROWAVE: Crumble ground meat into a casserole. Add onion. Cover loosely. Cook on high for 3 minutes. Stir. Cook 2 to 3 minutes more. Stir. Drain. Stir in rest of ingredients (through pepper).
Wrap 4 tortillas in a damp tea towel. Microwave 45 seconds on high. Put 1/3 cup meat mixture in center of tortilla, roll up and place seam side down in pan. Soften the other tortillas and fill. Cover with sauce. Cook on high for 7 to 9 minutes. Sprinkle with additional shredded Cheddar cheese (1/4 to 1/2 cup) and sliced black olives (optional). Cook another 1 to 2 minute to melt cheese. Dot with sour cream if desired.
SAUCE: Mix sauce ingredients and cook, covered, on high for 4 to 6 minutes.