Want to turn this dish into a main meal? Add 2 cups of chopped ham placed on top of the potatoes. By rinsing the potatoes in water and cream of tartar it helps to keep them firm during the slow cooking process. Mushroom Garlic Parmesan Potatoes Ingredients: 1 1/2 c. of water, divided1/2 tsp cream of tartar8 medium russet potatoes, peeled and sliced1 (10 ¾ oz.) can golden mushroom soup1/4 c.  of flour3 tbsp butter, melted1/2 tsp salt1/4 tsp pepper1/4 tsp garlic powder1/3 c. Parmesan cheese, grated Directions: Pour 1 C of the water into a large mixing bowl.Sprinkle the cream of tartar into the water and stir to dissolve.Add the potato slices and toss to coat well.Drain the potatoes and discard the water.Place the potatoes into the bottom of the crockpot.In another mixing bowl mix together the soup and the remaining water.Sprinkle in the flour and stir gently to moisten.Add the melted butter, salt, pepper, and garlic powder.Whisk gently until all the ingredients are blended together well.Pour the mixture over the potatoes in the crockpot.Stir to cover the potatoes…