Instant Pot Tuna Puttanesca Recipe

Ingredients

• 1 1/2 teaspoons olive oil
• 1/4 cup diced onion
• 2 cloves garlic, minced
• 1/2 (24 ounce) jar traditional spaghetti sauce (such as Barilla®)
• 1/2 cup fire-roasted diced tomatoes
• 1/4 cup vegetable broth
• 1 (6 ounce) frozen tuna steak
• 1 (8 ounce) package spaghetti
• 2 tablespoons sliced black olives, drained
• 1 tablespoon capers, drained and chopped
• 1 teaspoon anchovy paste
• 1/2 teaspoon herbes de Provence
• 1/4 teaspoon cayenne pepper