Ingredients
- 1/4 cup butter
- 3 cloves garlic, minced
- 1/4 cup all-purpose flour
- 1 tsp chopped fresh thyme
- 3/4 tsp salt
- 1/2 tsp pepper
- 2 1/2 cups milk
- 6 potatoes (2 lbs)
- 1 small onion, sliced
Steps
- In saucepan melt butter, cook garlic for 1 min. Add flour, thyme, salt, and pepper; cook, stirring for 1 minute.
- Gradually whisk in milk; cook, whisking constantly until boiling and thickened.
- Peel and slice potatoes. Place 1/3 in casserole dish; spread 1/2 onion overtop. Repeat layers.
- Arrange remaining potatoes on top. Pour sauce over using knife to ease sauce between layers.
- Bake at 350 F for 1 hour, covered.
- Uncover and bake for another 30 minutes. Serve.