Au Gratin Potatoes

2 to 2-1/2 pounds red-skinned potatoes
2 tablespoons butter
1/2 cup diced onion
2 small garlic cloves, minced
1 tablespoon fresh chopped parsley
2 tablespoon flour
1-1/2 cup milk
1 cup shredded sharp cheddar cheese
Salt & pepper to taste

• Preheat oven to 350°
• Peel & thinly slice potatoes; rinse well before adding to saucepan. 
• Cover with water. Bring to boil; boil for 2 minutes. Drain and rinse with cold water to stop the cooking process. 
• In the saucepan, melt butter over med heat. 
• Add the diced onion and saute until tender; add minced garlic and parsley. 
• Stir in flour and pepper until smooth. 
• Gradually add milk, cooking and stirring over med-low heat until thickened. 
• Add cheese and stir until cheese is melted and the sauce is smooth. 
• Place the potatoes in a 2-1/2 quart casserole; sprinkle with salt & pepper. 
• Pour cheese sauce over potatoes.
• Bake for 45 minutes