Make this recipe a recipe that people in that category can eat. categories: ['gluten_free'], recipe: preheat oven to 350 degrees f. melt 2 tbsp butter on medium heat. stir in 1 tbsp flour. add the milk in slowly, constantly stirring. stir until it's all well blended and a little bit thickened. add salt and pepper to taste. grease a baking dish. slice potatoes very thin and chop onions finely too. alternate layers of onion and potato. pour sauce over everything. cover with bread crumbs. sprinkle melted butter over it all. bake covered for 1 hour. uncover and bake for 15 minutes more.

Target recipe: boil potatoes. drain and mash them with all the other ingredients to the consistency desired. in general, the quantity of milk must be enough to obtain creamy mashed potatoes, but not too much 'as to make a soup. so 1/2 cup of milk for 6 potatoes will be o.k. i apologize because my english is not so good. greetings, karina.