1 to 2 tablespoons. or 3-6 teaspoons.
onion dehydrates quite a bit. 2 tablespoons dehydrated onion = about 1 medium sized onion. Onion powder takes about half that space so 1 tablespoon powder = about 1 medium onion. 2 medium onions (more or less) makes 1 cup of diced onion, so 2 tablespoons of powder should equal about the same in a recipe, however the flavor of onion powder, depending on how fresh it is can be stronger than that of fresh onion in a cooked recipe, mainly because it is more evenly dispersed, so you might want to use less.
**Rehydrating dehydrated minced onion will not yield the original volume of the onion but only about 1/4 of it.
There are 6 teaspoons in 1 ounce of garlic powder.
There are approximately 6.88 dry powder teaspoons in 1 ounce.
One tsp is 4gm of powder. So 1 oz of powder is approximately 7 tsp.
I do not detect any flavor differences in the two.
There are 6 teaspoons in one ounce of margarine.
Since various substances in powder form (sugar, flour, spices, etc.) don't weigh the same, there is no definite answer to this question. ------------------------------------------------------------------------ You need to know the density of the material. Mass is the product between volume and density; an US teaspoon has 5 mL. So the mass of powder is: m = 5 x d.
There are about 5.67 teaspoons in a powdered ounce.
There are approximately 2.92 teaspoons in one-third of an ounce.
There are about 6 teaspoons in a fluid ounce.
34 ounce of water is approximately 204 teaspoons.
2 ounce of water is about 12 teaspoons.
There are about 5 teaspoons in 1 ounce of dry powder.