An elongate product comprises a filamentous fungus wherein the product has a dimension (A) measured in a first direction and a dimension (B) measured in a second direction, wherein dimension (A) is in the range 2 mm to 15 mm and dimension (B) is in the range 10 mm to 50 mm. The product is frozen mechanically in a relatively short time to produce ice-crystal sizes within the product of less than 20.0 μm, s. The product has a very long shelf life and when defrosted is found to perform like fresh paste when mixed with other ingredients.
