Have you tried making homemade garlic powder and onion powder? It is the freshest option so here is the basic recipe. Fresh ingredient, no additives, no preservatives.
Ingredients
340 g Onion ( Makes 40 g Onion Powder )
10 ( 200 g ) Solo Garlic ( Makes 80 g Garlic Powder )
Preparation
1. Cut onion roots, grasp the top, cut into thin rings using a slicer.
2. Garlic, Cut the garlic roots, then it can be easily peeled with a knife. Cut into half, thinly sliced with slicer
3. Lay onion & garlic slices on baking sheet. Dry in a food dehydrator or oven for about four hours to 90ºC. If you’re oven minium temperature is 100ºC, leave a little gar with the oven door. My food dehydrator dried garlic at 90ºC takes about 4 hours; onion takes about 2 hours, depending on temperature and humidity of the day. Therefore, fall is very suitable for drying. Try to cut onion and garlic as thin as possible to speed up the drying process.
4. When the garlic and onion slices become crispy, it is dry enough to be grind into powder with a blender or food processor. Grind until no lumps. Use a brush to sweep out all the powder are not wasted.
5. Homemade Garlic powder and onion powder easily damp and form a lump. Stored in a air-tight contanier with desiccant silica gel for 3 months to half year. Avoid sunshine and use as soon as possible. If it become moist. break it with fork, dry again and grind.