Southwestern Beef Burritos

Name: Southwestern Beef Burritos
Ingredients: 2 to 2-1/2 pounds beef top round steak, cut into 1-inch cubes; 2 tablespoons canola oil; 2 large onions, chopped; 2 garlic cloves, minced; 1 can (15 ounces) enchilada sauce; 1 can (14-1/2 ounces) diced tomatoes, undrained; 1 to 2 cans (4 ounces each) chopped green chiles; 1 teaspoon salt; 1/4 teaspoon pepper; 2 tablespoons all-purpose flour; 1/4 cup cold water; 8 flour tortillas (10 inches); Optional: Diced tomatoes, sliced ripe olives, shredded cheddar cheese, sour cream, chopped green onions, shredded lettuce and guacamole