Step 1

Peel the bananas. Halve the avocado and remove the pit. Peel the avocado. Chop avocado and bananas into 1/2-inch pieces and arrange in a single layer in a zip-top bag placed flat on a baking sheet. Freeze until completely frozen, at least 3 hours, and up to 2 months.

Step 2

Pour the coconut milk into a blender and add frozen bananas and avocado, cocoa powder, maple syrup, vanilla, salt, and ice cubes. Blend on high speed until smooth and creamy, about 1 minute, stirring and scraping down blender as needed.

Step 3

Taste the mixture and blend in additional maple syrup if desired.

Step 4

Divide the shake between glasses and serve immediately.