30-Minute Pressure Cooker Split Pea and Ham Soup

Ham, steak

Bay leaves

Celery, finely diced (about 4 ounces; 125g), large rib

medium cloves Garlic

Onion, finely diced (about 6 ounces; 170g), medium

Split peas, dried green

Chicken stock, homemade or store-bought low-sodium

Kosher salt and freshly ground black pepper

Butter, unsalted