1-1/2 c. oil
1 c. vinegar
1/4 c grated Parmesan or Romano cheese
2 tsp. salt
1 tsp. onion powder
1/4 tsp. pepper
1/2 tsp. dry mustard
1/4 tsp. paprika
1/4 tsp. garlic powder

Mix all ingredients and pour into a glass jar. Refrigerate several hours and shake well before using. Store in refrigerator.