The present invention provides a method for producing a seasoning containing scarlet onions. SOLUTION: (1) A step of preparing paste-like onion prepared by concentrating puree-like raw onion under reduced pressure; and (2) heating the paste-like onion in a state where it is mixed with fats and oils to prepare amber-colored onion. A process for producing a seasoning comprising amber onions. A seasoning comprising amber-colored onions, wherein step 1 comprises grinding the raw onions into a puree form to prepare the puree-like raw onions and / or concentrating the puree-like raw onions under reduced pressure. Manufacturing method. [Selection figure] None【課題】飴色玉ねぎを含む調味料の製造方法の提供。【解決手段】(1)ピューレ状の生玉ねぎを減圧濃縮して調製したペースト状玉ねぎを用意する工程と、(2)前記ペースト状玉ねぎを油脂と混合した状態で加熱し、飴色玉ねぎを調製する工程と、を含む飴色玉ねぎを含む調味料の製造方法。工程1が、生玉ねぎをピューレ状に磨砕して、前記ピューレ状の生玉ねぎを調製する工程、及び/又は、前記ピューレ状の生玉ねぎを減圧濃縮する工程を含む、飴色玉ねぎを含む調味料の製造方法。【選択図】なし