Quick Beef Stroganoff

Ingredients

• 1 pound beef stew meat trimmed, cut into thin strips
• 2 tablespoons all-purpose flour
• 2 teaspoons sweet paprika
• 2 tablespoons vegetable oil
• 1 spanish onion large, thinly sliced
• 1 red pepper small, thinly sliced
• 2 cloves garlic minced
• 7 ounces button mushrooms thinly sliced
• 1 zucchini small, thinly sliced
• 3/4 cup beef stock
• 13 1/2 ounces cherry tomatoes
• 2 tablespoons tomato paste
• 1 tablespoon worcestershire sauce
• 3/4 cup sour cream at room temperature
• long grain white rice cooked, to serve