Potato Tarts a la Gratin

Potato Tarts a la Gratin on plate

Au Gratin potatoes are a nice comfort food, but they can get boring, so I was intrigued by a hundred-year-old recipe for Potato Tarts a la Gratin. A muffin tin is lined with pastry dough, then filled with diced au gratin potatoes. The resulting tarts were tasty, visually appealing, and a nice change of pace. They reminded me a bit of the savory hors d’oeuvres served by hotels at events – though they were tastier than many of those hors d’oeuvres.

Here’s the original recipe:

I substituted butter for the lard when I made this recipe. Rather than using left-over cold potatoes, I made boiled diced potatoes which I immediately used in the recipe.

When I made the sauce, it seemed rather thin for a tart filling, so I coarsely mashed a few of the diced potatoes and stirred them into the sauce to make it thicker before adding the remainder of the diced potatoes. This worked well.

Here’s the recipe updated for modern cooks:

Potato Tarts a la Gratin

Servings: approximately `10 - 12 tarts
Time: 1 hour
Difficulty: moderate
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3 – 4 medium potatoes, diced into 3/4 inch pieces (about 2 cups diced potatoes)

2 tablespoons butter

2 tablespoons flour

1/2 teaspoon salt

1 cup milk

1/2 cup shredded cheese + additional cheese to sprinkle on the top (I used cheddar cheese.)

pastry dough (enough for 1 2-crust pie, or use approximately 4 pre-rolled sheets)

Preheat oven to 425° F. Roll pastry dough and cut into circles. Line the space for each muffin in a muffin pan with the circles of pastry dough. Fit each circle, trim, and flute edges.

Put the diced potatoes in a sauce pan and cover with water. Put on the stove and bring to a boil using high heat; then reduce heat and simmer until the potatoes are tender (about 10 minutes). Drain potatoes. Remove about 1/3 cup of the potatoes from the sauce pan; put in a bowl and coarsely mash using a fork. Set aside both the mashed and diced potatoes

Melt the butter in another sauce pan, then stir the flour and salt into the butter. While stirring constantly, slowly pour in the milk and bring to a boil over medium heat. Stir in the mashed potatoes and 1/2 cup shredded cheese, continue heating until the cheese melts. Add the diced potatoes. Stir to combine.

Spoon into the pastry shells, and sprinkle additional shredded cheese on top. Bake until hot and bubbly, and the top begins to brown (about 30 minutes).