Best Pizza Orzo Recipe - How To Make Pizza Orzo

Ingredients

• 3 tbsp. extra-virgin olive oil
• 8 oz. baby bella or white mushrooms, thinly sliced
• 1 small yellow onion, finely chopped
• 1 small green bell pepper, seeds and ribs removed, finely chopped
• 4 cloves garlic, finely chopped
• 12 oz. orzo (2 c.)
• 1 tbsp. tomato paste
• 1 (28-oz.) can whole peeled tomatoes
• 1/2 tsp. dried oregano
• 1/4 tsp. crushed red pepper flakes
• Kosher salt
• Freshly ground black pepper
• 1/4 c. fresh basil leaves, finely chopped, plus whole leaves for serving
• 3 c. (12 oz.) shredded mozzarella
• 1/3 c. pepperoni slices