1.Heat Oil In A Large Skillet On Medium-High Heat. Saute Onion And Garlic For 5 Minutes. Stir In Chili Powder And Cumin, And Cook 1 Minute. Stir In Water, Tomato, Kidney Beans And Salt. Bring To A Boil, Then Reduce Heat And Simmer For 20 Minutes. 2.Stir In Spinach And Cook 5 Minutes More. Spoon 1/4 Of The Bean Mixture Into The Middle Of A Warm Tortilla. Wrap And Garnish With Avocado, Sour Cream And Salsa.