Batchelors Mushy Peas are English peas are dried marrowfat peas soaked in salted water and simmered with sugar and salt. When cooked, they have a taste like a thick pea soup with the consistency of mashed potatoes.Mushy peas are a good source of fiber, high in protein and fat-free. They are low in sugar and a natural source of iron. In addition, mushy peas contain no artificial flavors and are gluten free and suitable for vegetarians.Mushy Peas are a staple In Northern England and the Midlands. They are a traditional accompaniment to fish and chips.