Lasagna without pudding alfredo

4 red potatoes, in paper thin slices 1/2 teaspoon salt 1 (10 ounce) box frozen spinach , thawed and drained 2 1/2 tablespoons olive oil 1 small onion , finely[...]

2 large potatoes , peeled and sliced lengthwise 2 cups marinara sauce 2 large eggs 15 ounces ricotta cheese 1/2 cup grated parmesan cheese 1/2 teaspoon salt[...]

7 potatoes 2 large onions 6 -8 pieces lasagna noodles 1 cup butter or 1 cup margarine 1 cup cheese (more or less of your choice) 1 (12 ounce) can evaporated[...]