Spicy Shrimp Tomato Soup

4 teaspoons virgin olive oil 1/4 teaspoon red pepper flakes 3 (14 1/2 ounce) cans diced tomatoes with garlic 2 lbs medium shrimp (peeled and deveined, tails[...]

1/2 cup chopped onion 1/2 cup chopped celery 2 tablespoons butter 4 cups chicken broth 3 cups tomato juice 1 (15 ounce) can diced tomatoes , undrained 1 (15[...]

3 tablespoons butter 1 cup finely chopped onion 2 cloves garlic , minced 3 large ripe tomatoes , peeled,seeded,and chopped 1/2 teaspoon dried oregano 1[...]