1 (7 oz.) can tuna
1/4 c. chili sauce
1 tsp. minced onion
1/4 tsp. salt
1/8 tsp. oregano
1 sm. loaf party rye
Grated Parmesan cheese

Combine tuna, chili sauce, onion, salt, and oregano; mix well. Spread on rye slices. Place on baking sheet. Sprinkle with Parmesan cheese. Bake at 425 degrees for 4 minutes or until heated through. Serve hot.