Sausage Squash Casserole

(based on a recipe from sugarfreelowcarbrecipes.com)

1 lb. zucchini or summer squash, coarsely grated
1 lb. sausage

1/2 c chopped onion
1/2 cup mayonnaise
2 large eggs, beaten
1 tsp sugar or equivalent sweetener
1 teaspoon salt
1/4 teaspoon pepper
1-1/2 cup (6 oz) shredded Cheddar cheese

Heat oven to 350°. Cook the zucchini, sausage and onion in a large skillet or Dutch oven until the meat is browned and the vegetables are done. In a bowl, mix all other ingredients together. Spread mixture into 9×13 casserole dish. Bake for 30 minutes, or until bubbly and lightly browned.