Measure 2 tablespoons of garlic powder into a small bowl.
Add 2 tablespoons of onion powder to the bowl.
Stir in 1 tablespoon of sweet paprika.
Add 1 tablespoon of celery seed.
Season with 1 teaspoon of salt and 1 teaspoon of freshly ground black pepper.
Mix in 1/2 teaspoon of granulated sugar.
Whisk all ingredients thoroughly until no clumps remain.
Transfer the seasoning blend to a clean, airtight jar or spice shaker.
Store in a cool, dark place for up to several months.