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.
Share to: 1 US cup = 8 US fluid ounces so we know that 1 us cup equals 8 us fluid ounces so if we have 5 cups how many fl oz so you multiply 5x8=40 we multyply it by 8 because a 1 us c â¦ up=8 us fluid ounces.