Table 2.3 Size Threshold Between Smooth and Grainy Texture Food Particle size (um) Chocolate 13 Chocolate 20 Chocolate 25 Fondant(sugar crystals) 20-25 Ice cream(ice crystals) 55 Margarine(fat crystals) 22 Sweetened condensed milk(lactose crystals) 10-12 Tofu(soy particles) 24