Instant Pot Cheesy Sausage and Ham Frittata

Ingredients (12)

• 1 cup water
• Cooking spray
• 6 medium eggs
• 2 tbsp sour cream
• 1/3 cup whole milk
• 1/2 cup cooked breakfast sausage
• 1/2 cup cooked ham
• 1/2 cup sharp cheddar cheese
• 1/4 cup green onions
• 1 tsp dried mustard
• 1/4 tsp Kosher salt
• 1/8 tsp freshly ground black pepper