What can I use instead of peanut butter?

Almond butter, cashew butter, sunflower seed butter (nut-free), and soy nut butter all work as 1:1 replacements. Each gives a slightly different flavor but the texture will be similar.

What can I use instead of oats?

Crushed graham crackers, rice cereal, quinoa flakes, or shredded coconut can replace oats. Use the same volume measurement. The texture will be different but the cookies will still set.

What can I use instead of butter?

Coconut oil is the best 1:1 butter replacement. Vegan butter sticks also work well. Avoid liquid oils as they won't help the cookies set properly.

What can I use instead of milk?

Any milk works: oat milk, almond milk, soy milk, coconut milk. The fat content can slightly affect richness but the cookies will still set the same way.

What can I use instead of sugar?

Coconut sugar works as a 1:1 replacement. For lower sugar, use half the sugar plus mashed banana. For sugar-free, use erythritol or monk fruit sweetener, but the texture may be slightly different.