From Bon Appetit
Caramelized Onion and Spinach Quiche
- Makes
- 8 servings
- Ingredients
- 17
10 things you may not have.
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Ingredients
- 1 cup (125 g) all-purpose flour
- ¼ cup (31 g) whole wheat flour
- 1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt
- 1 tsp. herbes de Provence
- 10 Tbsp. unsalted butter, sliced ½" thick
- Rice flour or all-purpose flour (for dusting)
- 1 large sweet onion (such as Vidalia), thinly sliced
- 1 Tbsp. extra-virgin olive oil
- 1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt, plus more
- 3 large eggs
- 3 sprigs thyme, leaves finely chopped
- ½ cup heavy cream
- ½ cup whole milk
- ½ tsp. freshly ground pepper
- 2 oz. Gruyère, finely grated
- 1 oz. Parmesan, finely grated
- 2 cups baby spinach
The method
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