These healthy oatmeal cookies are made from scratch with rolled oats, whole-wheat flour, mashed banana, a little maple syrup, and dark chocolate chips. They bake up soft and chewy, with enough sweetness for a satisfying snack and simple options for changing the mix-ins.
Ingredients
- 1 cup (225 g) mashed ripe banana, about 2 medium bananas
- 1 large egg (about 50 g without shell)
- 3 tablespoons (45 ml) pure maple syrup
- 2 tablespoons (30 ml) neutral oil, such as canola, or melted coconut oil
- 1 teaspoon (5 ml) vanilla extract
- 1 cup (100 g) old-fashioned rolled oats
- ¾ cup (90 g) whole-wheat flour
- ½ teaspoon (2 g) baking soda
- ½ teaspoon (1.5 g) ground cinnamon
- ¼ teaspoon (1.5 g) fine salt
- ⅓ cup (55 g) dark chocolate chips or raisins
Instructions
- Heat the oven to 350°F (175°C). Line a large baking sheet with parchment paper. Measure the flour by spooning it into the measuring cup and leveling the top, or weigh it; packing flour into a cup can make the cookies dry.
- In a medium bowl, mash the banana until mostly smooth. Whisk in the egg, maple syrup, oil, and vanilla until evenly combined.
- In a separate bowl, stir together the rolled oats, whole-wheat flour, baking soda, cinnamon, and salt. Add the dry mixture to the banana mixture and stir just until no dry pockets remain. Fold in the chocolate chips or raisins. The dough will be softer and more moist than conventional butter-cookie dough.
- Let the dough stand for 10 minutes so the oats can absorb some moisture. This short rest helps the cookies hold their shape; do not add extra flour just because the dough feels sticky.
- Scoop 12 equal portions, about 2 tablespoons (35–40 g) each, onto the prepared sheet, leaving about 2 inches (5 cm) between them. Flatten each mound gently to about ½ inch (1.25 cm) thick; these cookies spread only a little.
- Bake for 10–12 minutes, until the edges look set and lightly golden and the centers no longer look wet. The egg-containing cookies should reach the USDA FSIS safe minimum internal temperature of 160°F (71°C); check the center of a cookie with a food thermometer if you need to verify doneness. Avoid overbaking, which can make the cookies dry.
- Cool on the baking sheet for 5 minutes, then transfer to a wire rack and cool completely, about 15 minutes. They firm up as they cool, so do not judge the final texture straight from the oven.
Tips
- Use ripe bananas with plenty of brown spots for easy mashing and natural sweetness. If your bananas are unusually large, weigh the mashed fruit; too much can make the dough loose and the cookies overly soft.
- Old-fashioned rolled oats give the best chewy texture. Quick oats can work, but the cookies will be softer and less distinct; avoid steel-cut oats, which will not soften properly in this short bake.
- For even baking, make the portions the same size and flatten them to a similar thickness. If baking in batches, let the sheet cool before adding dough to it.
- For a dairy-free version, choose dairy-free chocolate chips. The recipe contains egg and wheat; see Variations for ways to adjust those ingredients, keeping in mind that texture may change.
Serving Suggestions
Serve the cookies at room temperature with coffee, tea, or a glass of milk. They also make a handy addition to a lunchbox or a simple dessert alongside sliced fruit and plain yogurt. For a softer, warm-cookie texture, warm one briefly in the microwave just before serving; it will be hot in spots, so let it stand for a moment before eating.
Variations
Replace the chocolate chips with an equal amount of raisins, dried cranberries, or chopped dates. For a nutty variation, swap in ¼ cup (35 g) chopped walnuts or pecans for part of the chocolate; avoid whole nuts if serving to someone who needs a nut-free option. A tablespoon (8 g) of chia seeds or ground flaxseed can be stirred into the dry ingredients, though the cookies may be a little denser.
To try an egg-free version, replace the egg with 1 tablespoon (7 g) ground flaxseed mixed with 3 tablespoons (45 ml) water. Let that mixture thicken for 5 minutes before using. The result is usually more delicate and less springy. For a gluten-free version, use a certified gluten-free oat product and a measure-for-measure gluten-free flour blend; check its package directions and expect a slightly different texture. Do not assume ordinary oats are gluten-free.
Storage and Reheating
Cool the cookies completely before packing them. Store in an airtight container at room temperature for up to 2 days, or refrigerate within 2 hours of baking and keep for up to 4 days. Refrigeration can make them firmer; bring them to room temperature or warm briefly before serving. For longer storage, freeze in a sealed container with parchment between layers for up to 3 months. Thaw at room temperature. If reheating refrigerated leftovers, heat to 165°F (74°C), as recommended for leftovers, and eat promptly.
Frequently Asked Questions
Can I make the dough ahead?
Yes. Cover and refrigerate it for up to 24 hours. Chilled dough may be firmer, so let it sit for about 10 minutes if it is difficult to scoop. Bake as directed, checking for set edges and doneness.
Why did my cookies turn out too soft?
Extra banana, undermeasured flour, or an early removal from the oven can leave them very soft. Weigh the banana and flour when possible, flatten the portions evenly, and let the cookies cool fully before deciding whether their texture is too loose.
Can I use quick oats instead of rolled oats?
Yes, use the same weight, 100 g (about 1 cup). Quick oats absorb moisture more readily and produce a less chewy, more uniform cookie. Steel-cut oats are not a suitable direct replacement.
Can I reduce the maple syrup?
You can reduce it to 2 tablespoons (30 ml), but the cookies will be less sweet. Avoid removing all of it without adjusting the recipe; sweetener also contributes moisture and affects the finished texture.
How do I know the cookies are done?
The edges should be set and lightly golden, while the centers look cooked rather than wet. Because the dough contains egg, the USDA FSIS safe minimum is 160°F (71°C); use a food thermometer to check a cookie’s center when in doubt. The cookies will firm as they cool.
Can I freeze baked oatmeal cookies?
Yes. Freeze completely cooled cookies in an airtight container for up to 3 months. Thaw at room temperature, or reheat leftovers to 165°F (74°C) before serving.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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