From Longman Dictionary of Contemporary Englishpinch of salt/pepper etcpinch of salt/pepper etcLITTLE/NOT VERYa small amount of salt, pepper etc that you can hold between your finger and thumb Add a pinch of salt to taste. → pinch
Examples from the Corpus
pinch of salt/pepper etc• Water during a fast nauseated him and he accordingly would add a pinch of salt or bicarbonate of soda.• Add remaining coconut milk and a pinch of salt and simmer until slightly thickened, about 5 minutes.• Luckily a pinch of salt got rid of them, leaving behind a blood-stained sock.• I take all that fame with a pinch of salt.• Course Moira always has had a vivid imagination, you have to take what she says with a pinch of salt.• While the first statement is no doubt true, the second must be taken with a pinch of salt.• A pinch of salt in each bowl stops the mosquitoes breeding in the water. 