Molly Yeh's Spinach and Feta Rugelach - Wine4Food

Ingredients

• 10 ounces frozen chopped spinach
• 2 tablespoons unsalted butter
• 1 small onion, finely chopped
• Kosher salt
• 2 to 4 cloves garlic, minced
• Black pepper
• 2 tablespoons flour
• 3 tablespoons heavy cream
• ¾ cup crumbled feta cheese
• 1 teaspoon lemon juice
• A few shakes of hot sauce
• 1 package (14 to 15 ounces) refrigerated pie dough, store-bought or homemade
• 1 large egg yolk, beaten with a splash of water
• Flaky sea salt