Definition of mix-in in English:

mix-in

noun

US
  • An additional ingredient mixed into an item of food to add a different flavor or texture.

    ‘a cup of frozen custard with your choice of mix-ins, like chocolate toffee, strawberry puree, or caramel sauce’
    • ‘part of the fun of making homemade buttermilk pancakes is adding mix-ins’
    • ‘With the new product innovations, such as a fruit mix-in, taste is not compromised.’
    • ‘You can pretty much count on 100-150 calories for each mix-mn (200 for the cookie dough and the peanut butter).’
    • ‘This has been driven in large part by the success of candy mix-ins in the ice cream category.’
    • ‘New-ingredient mix-ins are spurring another industry trend: co-branding.’
    • ‘They balanced indulgent flavors and mix-ins with more basic offerings over the past year.’