Beef Ragout(Microwave)

Ingredients

• 1 medium onion, thinly sliced and separated into rings
• 1 medium green pepper, thinly sliced
• 1 Tbsp. olive oil
• 1 1/2 lb. boneless beef chuck steak, cut into 1/2-inch cubes
• 1 (17 oz.) can stewed tomatoes
• 1 (10 3/4 oz.) can condensed beef broth
• 1 (6 oz.) can tomato paste
• 1 large potato, cut into 1/2-inch cubes
• 2 Tbsp. all-purpose flour