Mexican Style Beef Sandwich Recipe

INGREDIENTS:

• 1 pound lean ground beef
• 1 cup chopped onion
• 1 tablespoon vegetable oil
• 1 tablespoon flour
• 1 1/2 teaspoons chili powder
• 1 teaspoon dried leaf oregano
• 1 teaspoon salt
• 1/4 teaspoon cinnamon
• few dashes red pepper sauce, or to taste
• 1 can (14.5 ounces) diced tomatoes, drained
• 1/4 cup chili sauce
• 1/4 cup sliced ripe olives
• 8 to 10 crisp taco shells or toasted buns
• shredded Mexican blend cheese
• diced tomatoes, optional
• sour cream, optional

PREPARATION: