Instant Pot Butter Chicken

Ingredients

• 1 Tbsp olive oil
• 1 onion, diced
• 3 to 4 garlic cloves, minced
• 2 tsp fresh ginger, minced
• 2 tsp ground coriander
• 2 tsp garam masala
• 2 tsp turmeric
• 1 tsp salt
• 1 tsp paprika
• 1 tsp chili powder
• 1/2 tsp cayenne (optional)
• 3 cups little potatoes, halved
• 1 (28 oz) can tomato sauce
• 1 cup chicken stock or water
• 2 lbs chicken breast or thighs, cut into one-inch pieces
• 2 Tbsp butter
• 1/2 cup heavy cream