1 tablespoon margarine, softened
1 pound minced onion, diced
3 cups sausages
1 cup shredded Cheddar cheese
1 teaspoon celery salt
1 teaspoon dried parsley
1/2 teaspoon garlic powder
1 teaspoon seasoning salt
2 tablespoons dried horseradish
1/4 teaspoon dried thyme, crushed
Preheat oven to 350 degrees F (175 degrees C).
Cook sausages in medium skillet over medium heat. Fry sausages until lightly browned, about 20 minutes. Drain, and place in medium bowl. Mix sausages with margarine and onion; toss with cheese and celery salt. Season with garlic powder, parsley flakes, garlic salt, horseradish and thyme. Roll stuffed sausages into 10 rolls, and arrange on a large baking sheet.
Bake sausages in preheated oven for 45 minutes.
Return sausages to skillet over medium heat; combine with cheese mixture. Arrange rolls with toothpicks. Bake an additional 15 minutes.