Instructions

  1. Set oven to 325°F.
  2. Grease a 9 x 13-inch casserole dish.
  3. Split chiles lengthwise, and spread in a single layer in bottom of prepared baking dish.
  4. Combine the cheddar cheese with the Monterey Jack cheese; toss to mix.
  5. Sprinkle half of the mixed cheeses and all of the green onions over the chiles.
  6. In a bowl, beat together the eggs, milk, flour and salt until smooth.
  7. Pour over chiles and cheese.
  8. Bake for 50 minutes, or until done.
  9. Meanwhile, mix salsa with remaining 1-1/2 cups cheese.
  10. Sprinkle over casserole, and return to oven for 10 minutes.
  11. Let stand for 10 minutes before serving.