Preheat oven to 350
In a skillet, cook sausage. Cool slightly, add 1/2 of the shredded cheese. Mix well
Divide into 8 portions and spoon down the middle of each tortilla. Roll up and place seam side down in a 9x13 pan sprayed with nonstick spray.
In a large bowl, beat eggs. Add in flour and salt. Beat in half and half.
Pour egg mixture over enchiladas.
If baking right away, sprinkle remaining cheese on top and cover with foil. If not baking until the next morning, cover and refrigerate and sprinkle cheese on before baking.
Bake, covered for 30 minutes. Remove foil and bake another 15 minutes.