1 ½ pounds skinless, boneless chicken breast halves
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1 cup chicken broth
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6 ounces mild Italian sausage (such as Johnsonville®)
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½ green bell pepper, chopped
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4 ounces sliced mushrooms
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½ small red onion, chopped
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1 (14 ounce) can pizza sauce
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1 (2.25 ounce) can sliced black olives, drained
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½ cup shredded mozzarella cheese
Instructions
Turn on a multi-functional pressure cooker (such as Instant Pot®) and select the Saute function. Add oil. Sprinkle Italian seasoning over chicken breasts and add to the hot oil. Cook chicken until browned, about 2 minutes per side. Turn the pot off. Pour in chicken broth.
Close and lock the lid. Select high pressure according to manufacturer's instructions; set timer for 10 minutes. Allow 5 minutes for pressure to build.
Release pressure using the quick release method according to manufacturer's instructions, about 5 minutes. Unlock and remove the lid. Transfer chicken to a serving plate. Drain the pot.
Select the Saute function again and add Italian sausage. Cook and crumble sausage into small pieces, about 2 minutes. Add bell pepper, mushrooms, and onion. Cook until sausage is brown, about 2 minutes. Add pizza sauce and olives. Cook for 4 minutes, stirring continually.
Spoon sauce over chicken on the serving plate and top with mozzarella cheese.