Report Abuse. Very very little. 1 teaspoon will substitute for a 1/2 to 1 cup chopped onion. But really there is no substitute for chopped fresh onion. The fresh onion will add a sweetness to the dish and season it without any bitterness or off flavor.JEN Â· 7 years ago. teaspoon will substitute for a 1/2 to 1 cup chopped onion. But really there is no substitute for chopped fresh onion. The fresh onion will add a sweetness to the dish and season it without any bitterness or off flavor. JEN Â· 7 years ago.
Officially, a US Cup is 240ml (or 8.45 imperial fluid ounces.) This is slightly different from an Australian, Canadian and South African Cup which is 250ml.
The answer is: The change of 1 cup (cup US) unit for a volume and capacity measure equals = into 236.59 ml (milliliter) as per its equivalent volume and capacity unit type measure often used.