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4 Ingredient Peanut Butter Banana Oatmeal Cookies (3 Ways!)

baby peanut butter banana oatmeal cookie drizzled with peanut butter with banana slices next to it.

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With only 4 ingredients and no added sugar, these peanut butter banana oatmeal cookies are a healthy snack or breakfast for baby led weaning and toddlers. Customize them with your choice of mix-ins, and feel good about what your little one is eating! (gluten-free, dairy-free, and egg-free)

Ingredients

Units Scale
  • 1 large or 2 small very ripe bananas (3/4 cup mashed)
  • 1/4 cup natural peanut butter (the drippy kind with just peanuts and salt)
  • 1 tsp vanilla extract
  • 1 cup quick oats
  • Optional mix-ins: 1/4 cup blueberries or 1/4 cup chocolate chips (for toddlers and older)

Instructions

  1. Heat oven to 350°F. Line a baking sheet with parchment paper.
  2. In a medium bowl, mash the banana well, getting out as many lumps as possible. 
  3. Mix in the egg and vanilla well. 
  4. Stir in the oats. Stir in any mix-ins, if you're using them.
  5. Scoop the dough by 3 tbsp scoops onto the baking sheet. Flatten with the back of your spoon into cookie shapes, since they will not spread while baking.
  6. Bake for 10-12 minutes. Cool on the baking sheet for a few minutes before removing or storing.

Equipment

Notes

  • The riper the banana, the sweeter the cookies will be, so go for bananas that have at least some brown spots.
  • Store cookies in the refrigerator in an airtight container for up to 5 days.
  • Note: These cookies are not sweet or crispy like a traditional cookie. They are more akin to a soft granola bar and are meant to be a healthy option for babies and toddlers.