Add 1 cup of water to inside electric pressure cooker, add steamer rack.
Place a large microwave-safe bowl inside pressure cooker. To bowl, add oats, 1 cup water, milk, cheddar, garlic puree, flaxseed, salt and pepper.
Seal valve, set to manual High Pressure for 8 minutes.
Allow to release naturally for 5-7 minutes. Turn vent before opening pressure cooker.
Serving Suggestion: Serve with sausage, bacon, baked beans, an egg cooked sunny-side up, avocado and cherry tomatoes.