PROBLEM TO BE SOLVED: To provide a packaged onion ingredient-containing seasoning liquid capable of simply emphasizing the taste of fish and shellfish dishes or meat dishes with a fresh onion taste, just by dressing fish and shellfish such as octopus or meats such as grilled chicken, and in more details, easy to dress various forms of the fish and shellfish or meats though a large amount of large onion ingredients are contained.SOLUTION: An onion ingredient-containing seasoning liquid including heat-processed onion ingredients has a viscosity of 1-8 cm as a value measured by a Bostwick viscometer, a salt concentration of 0.5-3 mass%, and the onion ingredients remaining on a sieve with 2 mm openings of 30-70 mass% based on the whole ingredient-containing seasoning liquid, with 50% or more of the onion ingredients in the bottom of clean water, of which the hardness is 1×10-1×10N/m.
