Instant Pot Pork Shoulder Steaks with Mushrooms, Potatoes and Gravy

INGREDIENTS

2 1/2

lbs Pork shoulder, steaks

Garlic cloves

1/2 lb

Mushrooms

1 3/4 lb

Russet potatoes

2 tsp

Tarragon, dried

Yellow onion

2 1/2 cups

Chicken broth

2 tbsp

Dijon mustard

2 tbsp

Lemon juice

Salt and pepper

1 tbsp

Vegetable or canola oil

1/4 cup

Half and half or cream

Cornstarch and water