An egg yolk makes this tart crust ultra-rich, almost like shortbread. Just as you can fill dessert tarts with almost any fruit imaginable, savory tarts are blank canvases for all sorts of vegetables.
Makes: Enough for a 9-inch tart
Time: 20 minutes, plus time to chill
Ingredients
1 1/4 cups flour
1/2 teaspoon salt
1 stick cold butter, cut into chunks
1 egg yolk