Toss beef strips with flour and salt. Heat 1 tablespoon oil in 5-quart saucepot over medium-high heat. Add half of beef strips; cook until well browned on all sides, stirring frequently. Repeat with remaining oil and beef.
Add water, TABASCO® Chipotle Sauce, cumin and garlic. Heat to boiling over high heat. Reduce heat to low; cover and simmer 30 minutes, stirring occasionally. Uncover; simmer 20 minutes longer or until beef is tender, stirring occasionally.
Spoon beef onto platter. Serve with warmed tortillas, bell peppers and onions.
Makes 6 servings.