1/2 cup nutritional yeast flakes
1/2 cup flour
1 teaspoon salt
1/2 teaspoon chili powder
1/2 teaspoon garlic powder
1/4 teaspoon onion powder
1/4 teaspoon cayenne (or to taste)
Pinch of oregano
Pinch of cumin
1/8 teaspoon paprika
1/8 teaspoon dry mustard powder
2 cups soymilk
1/4 cup margarine or oil (fat-free version: use 1/4 cup mashed cooked beans)

Mix dry ingredients in a saucepan. Whisk in soymilk until well-blended. Cook over medium-low heat,stirring constantly, until it bubbles and thickens. Cook 30 seconds more. Remove from heat. Whip in margarine or oil. Spread on toasted tortillas.

Toasted Tortillas for Quesadillas

1 package tortillas, wheat or corn
Pan spray

Spray a heavy frying pan with pan spray. Cook tortillas one at a time in pan over medium heat,turning occasionally, until tortillas are crispy. Put crispy tortillas on serving plates. Do not stack. Spread crispy tortillas with quesadilla sauce. Serve.

For a lower fat tortilla, place tortillas in a 350 degree oven and toast for 10 minutes, turning them once about half way through.