Put the fresh spinach into a saute pan with 1 inch of salted water. Cover with a lid. Cook for about 4 minutes. Drain all of the water from the spinach. Cool completely.
Break eggs into a blender jar. Add the milk, salt and pepper. Mix at high speed for at least a minute.
Stir in the cooled spinach and cheese.
Pour into a greased pie pan.
Bake for 30 - 35 minutes at 325 degrees.
Recipe by Recipes Food and Cooking at https://recipesfoodandcooking.com/2017/06/04/crustless-spinach-quiche-cheddar-cheese/