Lightly toast garlic and onion powder in a dry pan for 30 seconds before mixing to intensify their flavors and eliminate any raw, bitter notes from the dried ingredients.

Add freshly ground black pepper just before use rather than pre-grinding, as it loses its volatile aromatic oils quickly and will provide superior pungency and complexity to your blend.

Substitute table salt with kosher salt in your blend—its larger crystals distribute more evenly and provide better control when seasoning dishes throughout the cooking process.

Maintain a 2:1:1:1 ratio (salt to garlic to onion to pepper) to ensure your homemade blend is consistent, balanced, and replicable every time you make a fresh batch.

Keep your seasoning blend in airtight glass containers with oxygen absorbers in a cool, dark place to preserve potency for up to 6 months instead of losing flavor to oxidation.