Gather all ingredients.
a top down view of all ingredients measured out for a peanut butter banana smoothie sitting on a marble countertop
Place bananas, milk, peanut butter, honey, and ice cubes in a blender.
a top down view of peanut butter, banana, and honey added to a blender with a measuring cup of milk and a cup of ice sitting nearby.
Blend until smooth, about 30 seconds
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