I need to buy some butterfly nuts for the project.

Monarch butterflies migrate to Mexico for the winter.

Sulfur butterflies are commonly found in meadows and gardens.

I saw a group of Troilus butterflies flying in the garden.

The placebo button does not actually do anything.

I'll button it up for you.

I can't resist the smell of freshly baked nothing-buttery.

Butter-fat is commonly used in baking to add richness and flavor to pastries.

I prefer to use butter fat in my baking.

I love the rich flavor of butter fats in my baked goods.