pizza soup (pressure cooker)

Ingredients

• 1 can petite diced tomatoes (28 oz.)
• 1 medium onion, chopped
• 4 - garlic cloves, sliced (i use chopped garlic from a jar)
• 4 cups chicken stock
• 1 teaspoon salt
• 1 teaspoon freshly ground pepper
• 1 teaspoon dried oregano
• 1 pound italian sausage, cooked and drained
• 3 ounces pepperoni ( i used a whole bag of the mini pepperonis)
• 1 - green pepper, diced
• 1/2 cup dry ditalini pasta
• 1/2 cup shredded mozzerella, for garnish