HEAT oil in a small saucepan over medium-high heat.
ADD flour; WHISK together over the heat for one minute.
STIR in the five seasonings (chili powder, garlic powder, salt, cumin, oregano).
Gradually ADD in the stock, WHISKING constantly to remove lumps.
REDUCE heat; SIMMER until slightly thickened, about 10-15 minutes.
Use immediately or refrigerate in an air-tight container for up to 3 days.
Per Serving (excluding unknown items): 444 Calories; 33g Fat (65.6% calories from fat); 7g Protein; 32g Carbohydrate; 11g Dietary Fiber; 0mg Cholesterol; 5665mg Sodium. Exchanges: 2 Grain(Starch); 0 Lean Meat; 6 1/2 Fat.