Instant Pot Osso Bucco with Polenta (Low-FODMAP)

Ingredients

• 2 carrots
• 1 beef shank
• 1 teaspoon fish sauce
• ½ cup dry white wine (such as pinot grigio)
• 1 cup chicken stock
• 1 bay leaf
• 1 spring fresh rosemary (or 1 teaspoon dried rosemary)
• 1 teaspoon garlic oil
• parsely, to garnish
• red pepper flakes, to garnish
• 1 bunch choy sum
• 2 tablespoons soy sauce
• ½ teaspoon sugar
• 5 cupes water
• 1 cup milk
• 1 1/2 cups polenta, coarse
• 4 tablespoons (half a stick) butter
• 1/2 cups parmesan or pecorino cheese