Julia Child'S Sweet Onion Quiche
["3 c. thinly sliced sweet onions", "1 Tbsp. olive oil", "2 Tbsp. butter", "2 Tbsp. mince shallots or scallions", "salt", "freshly ground pepper", "nutmeg", "3 large eggs, blended with enough milk or cream to make 1 1/2 c. liquid", "1/4 c. lightly pressed down grated cheese", "1 (9-inch) prebaked pie shell"]
["Preheat oven to 375\u00b0.", "Heat olive oil in a large saute pan. Saute sliced onions until soft, but not browned.", "In a separate pan, heat butter and saute shallots briefly.", "Add to onions and continue cooking until the mixture is tender.", "Season with salt, pepper and nutmeg; let cool."]
["sweet onions", "olive oil", "butter", "mince shallots", "salt", "freshly ground pepper", "nutmeg", "eggs", "cheese", "shell"]