la mejor quiche sin masa (quiche imposible)

Ingredientes

• 1 onion (medium sized, any kind, sliced thinly into rounds)
• 1 tablespoon butter (for cooking the onions)
• 5 ounces mushrooms (around 4 medium mushrooms, best chopped into small pieces)
• 3 1/2 ounces ham (chopped)
• 1 cup grated cheese (sharp (strong/tasty) cheddar is fine, or try gruyere, parmesan, Swiss cheese or a mixture of cheeses)
• 1/2 cup self-raising flour
• 1 1/2 cups milk
• 4 large eggs (lightly whisked (if you only have small eggs, add an extra one))
• 2 teaspoons mustard ((I usually use wholegrain, but Dijon or any other mustard also works))
• 1/4 teaspoon salt (or to taste)
• 1/4 teaspoon pepper (or to taste)

Preparación

1. 1

   Preheat oven to 375°F (190°C).: Preheat the oven to 375°F (190°C) (increase to 390F/200C if you have a regular oven i.e. not a fan oven).

2. 2

   Cook onions in butter for 10 minutes.: Melt the butter in a large frying pan or saucepan. Then cook the onions slowly for about 10 minutes or until soft and beginning to caramelize.

3. 3

   Add mushrooms and cook for 2 minutes.: Add the mushrooms to the onions in the pan and cook for a further couple of minutes.

4. 4

   Grease quiche dish, then spread onions, mushrooms, ham and cheese over the bottom.: Grease a standard quiche dish (around 9.5 inches/24 cm or similar - see note below) with a little butter, or spray with oil. Spread the onions and mushrooms evenly over the dish. Then scatter over the chopped ham and cheese.

5. 5

   Add milk to flour, then whisk in eggs, mustard, salt, pepper.: Slowly add the milk to the flour in a large jug. Whisk continuously so that there are no lumps, then whisk in the eggs, mustard, and salt and pepper.

6. 6

   Pour mixture into dish, then bake quiche for 30 to 40 minutes.: Pour the egg mixture evenly over the fillings in the dish. Then bake for 30 (to 40) minutes, or until the mixture is just cooked in the centre. Slice and serve!