matne gismu

x₁ is a quantity of/contains butter/oleo/margarine/shortening from source x₂.

(adjective:) x₁ is buttery; an edible fat, solid but spreadable at normal temperatures; dairy butter (= ladmatne). See also grasu, kruji.

In notes:

grasu: x₁ is a quantity of/is made of/contains grease/fat/oil from source x₂.
kruji: x₁ is made of/contains/is a quantity of cream/emulsion/puree [consistency] of composition x₂.
ladmatne: x₁ is a quantity of butter from source x₂ (generally animal)
matnyxrula: x₁ is a/the buttercup flower of plant/species x₂.
satmatne: m₁=s₁ is a quantity of/contains toffee/caramel/butterscotch.
smetana: x₁ is made of/contains/is a quantity of sour cream of composition x₂