Step 1

Rub tops and sides of salmon fillets with chili powder, 1/4 teaspoon salt and 1/8 teaspoon ground black pepper. Spray Instant Pot cooking rack with nonstick spray and place salmon fillets on rack.

Step 2

Place potatoes, water, 1 tablespoon butter and remaining 1/4 teaspoon salt and 1/8 teaspoon pepper in bowl of 6-quart Instant Pot. Place rack with salmon over potatoes. Secure lid and set Pressure Release to Sealing. Select Pressure Cook or Manual Setting and set cooking time for 3 minutes at high pressure (pot will take about 10 minutes to come to pressure before cooking time begins).

Step 3

When cooking time ends, move Pressure Release to Venting to release steam.

Step 4

Carefully remove rack with salmon and set aside. Add half and half and remaining 1 tablespoon butter to Instant Pot and select Sauté setting. Use potato masher to mash potatoes until smooth and creamy.

Step 5

Divide mashed potatoes and salmon between two plates and sprinkle with parsley. Serve with lemon wedges.