The invention relates to a composition comprising a mixture of full fat, enzyme active, dehulled soybean flakes and potato flakes, for making a soy protein enriched and soy oil containing mashed potato product having excellent nutritional, taste and texture properties. Additionally, the invention relates to method for making said soy protein enriched and soy oil containing mashed potato product from said composition; and to said soy protein enriched and soy oil containing mashed potato product.