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Chile Relleno Casserole

This layered casserole offers all the flavors of traditional chile rellenos without the fuss of stuffing and frying. Mild green chiles are baked in a savory egg and sour cream custard with plenty of melted Monterey Jack cheese. It's a simple, satisfying dish perfect for brunch or a weeknight dinner.

An original recipe by Forkin

Total time
1 hr 25 min
Serves
6
Difficulty
Easy
Vegetarian

Allergen information: may contain eggs, gluten, and milk. Always check ingredient packaging if you have an allergy.

Chile Relleno Casserole

Mise en place

Ingredients

Ingredients

  • 1 tspvegetable oil, for greasing

bottom layer

  • 340 gcanned whole green chile, drained
  • 227 gmonterey jack cheese, shredded

custard

  • 10 pcslarge egg
  • 227 gsour cream
  • 2 tbspmilk
  • 1 tbspall-purpose flour
  • 1 tspsalt
  • 0.5 tspblack pepper, ground

top layer

  • 340 gcanned whole green chile, drained
  • 227 gmonterey jack cheese, shredded

garnish

  • 1 tspdried parsley(optional)
  • 1 tspgarlic powder(optional)

Equipment

9x13-inch baking dish · paper towels · large bowl · knife · whisk

The method

Step by step

  1. 1

    Preheat your oven to 180°C (350°F). Lightly grease a 9x13-inch baking dish with the vegetable oil.

    About 3 min

  2. 2

    Drain the green chiles and pat them dry with paper towels. If they are whole, slice them open so they can lie flat.

    About 2 min

    Cook’s note: Removing excess moisture from the chiles prevents the casserole from becoming watery.

  3. 3

    Arrange the chiles designated for the bottom layer evenly across the bottom of the prepared dish.

    About 2 min

  4. 4

    Sprinkle the shredded cheese for the bottom layer evenly over the chiles.

    About 1 min

  5. 5

    In a large bowl, whisk the eggs until the yolks and whites are fully combined.

    About 2 min

  6. 6

    Add the sour cream, milk, all-purpose flour, salt, and black pepper to the eggs. Whisk until the batter is smooth and no lumps of flour remain.

    About 2 min

    Cook’s note: Whisking the dry ingredients into the wet ingredients helps prevent clumps.

  7. 7

    Pour the egg mixture over the cheese and chile layers in the dish.

    About 1 min

  8. 8

    Arrange the remaining chiles for the top layer over the egg mixture.

    About 1 min

  9. 9

    Top evenly with the remaining shredded cheese for the top layer.

    About 1 min

  10. 10

    Sprinkle the dried parsley and garlic powder over the cheese, if using.

  11. 11

    Bake for 55 to 60 minutes, until the center is set and the top is golden brown and bubbly.

    About 1 hr

    Cook’s note: To check for doneness, insert a knife into the center; it should come out clean.

  12. 12

    Remove the casserole from the oven and let it rest for at least 10 minutes before slicing and serving.

    About 10 min

    Cook’s note: Resting allows the casserole to firm up, making it much easier to cut into clean slices.

Keep it good

Storage

Store leftovers in an airtight container in the refrigerator.

Reheating

Reheat individual portions in the microwave or in an oven at 175°C (350°F) until warmed through.