Spinach Hater's Spinach

2 packages chopped, frozen spinach
1 can cream of mushroom soup
Salt
Pepper
2 tablespoons dehydrated minced onion
Garlic salt
3 tablespoons toasted sesame seeds
1/4 cup sliced almonds
1 cup sharp Cheddar cheese

Cook spinach and drain well. Mix in remaining ingredients, using only one-half of the almonds. Put into buttered 1-quart casserole. Sprinkle with remaining almonds. Bake at 350 degrees F for 20 minutes.