Combine onion flakes, beef bouillon granules, onion powder, parsley flakes, celery seed, paprika, and black pepper in a bowl.
1/4 cup dried onion flakes, 2 tbsp low-sodium beef bouillon granules, 1/4 tsp onion powder, 1/4 tsp parsley flakes, 1/4 tsp celery seed, 1/4 tsp paprika, 1/4 tsp fresh ground black pepper