Succulent Instant Pot Chicken Marsala

Ingredients

• 1/2 cup all-purpose flour
• 1 tablespoon olive oil
• 1/2 cup vegetable stock
• 2 cups mushrooms, sliced
• 1 teaspoon garlic powder
• 1 teaspoon salt
• 1/2 cup Marsala wine
• 1 teaspoon black pepper
• 1/2 cup heavy cream
• 2 large chicken breasts, halved horizontally
• 2 tablespoons unsalted butter
• 2 cloves garlic, minced