I used to reach for cookies without thinking twice. They were quick, comforting, and always within reach, but also loaded with sugar. When diabetes became part of my life, that habit had to change. Cutting out those easy cravings wasn’t simple, and that’s when I started looking for something like sugar free peanut butter cookies to fill the gap.
That shift pushed me into my own kitchen to figure things out. I wanted something just as satisfying, but without the sugar spike or the guilt afterward. These 3-ingredient sugar free peanut butter cookies took a few tries to get right, but once I did, they became part of my routine. Now when the craving hits, I have healthy sugar free cookies I can enjoy without overthinking it.
Why it’s a win
- Zero added sugar — safe for diabetics and anyone watching blood glucose
- Three pantry staples, no specialist ingredients, no fancy equipment
- Kids eat them without knowing they’re a sugar free cookies — tested on mine
3 Ingredient Sugar Free Peanut Butter Cookies: Simple, Soft, and Snack-Ready
The base here is ripe bananas, natural peanut butter (no added sugar), and rolled oats. That’s it. The banana does double duty — it binds and sweetens at the same time. No eggs, no flour, no sweetener packets. For a nut-free version, sunflower seed butter works equally well and keeps the texture almost identical.
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Ingredients
- 2 large ripe bananas (the spottier, the better)
- 1 cup (250g) natural peanut butter — no added sugar or salt
- 1 cup (90g) rolled oats (certified gluten-free if needed)
Optional add-ins
- 1 tsp vanilla extract
- 1 tsp cinnamon
- 2 tbsp sugar free dark chocolate chips
Execution
Preheat: Set your oven to 175°C / 350°F and line a baking sheet with parchment paper.
Mash: In a medium bowl, mash the bananas thoroughly with a fork until almost smooth, with very few lumps left.
Mix: Add the peanut butter and stir until everything is fully combined into a thick, slightly sticky dough.
Fold: Add the rolled oats and mix well. If you’re using extras like vanilla, cinnamon, or chocolate chips, stir them in at this stage.
Shape: Scoop rounded tablespoons of dough onto the baking sheet, leaving about 2 inches between each. Gently flatten them with the back of a spoon, as they won’t spread while baking.
Bake: Place in the oven and bake for 11–13 minutes, until the edges are set and the tops look dry.
Cool: Let the sugar free peanut butter cookies sit on the tray for at least 10 minutes before eating—they’ll firm up as they cool and hold together better.
Isty’s Tips
- Choose: Use bananas that are very ripe—deep yellow with brown spots—for better sweetness and a smoother mash.
- Avoid: Skip underripe bananas, as they lead to a bland taste and a gummy texture.
Storage & Serving
- Store: Keep in an airtight container at room temperature for up to 2 days, or refrigerate for up to 5 days.
- Freeze: Lay the cookies flat in a single layer until solid, then transfer to a freezer bag for longer storage.
- Reheat: Warm from frozen in a preheated oven at 160°C for 5–6 minutes.
- Serve: Enjoy with unsweetened almond milk, or crumble over plain Greek yogurt for a quick breakfast or snack.
Nutrition
| Calories | Carbs | Net carbs | Protein | Fat | Sugar |
|---|---|---|---|---|---|
| 118 kcal | 10g | 8g | 4g | 7g | 0g added |
Values are estimates based on standard ingredients.
Frequently Asked Questions
Can I use instant oats instead of rolled oats?
You can, but the texture gets softer and the cookies will hold together less cleanly. Rolled oats give better structure. Steel-cut oats don’t work here — too coarse and they don’t absorb the moisture properly.
What’s the glycemic impact of the banana in this recipe?
One ripe banana split across 12 cookies contributes roughly 2–3g of natural sugar per cookie. Paired with the fat and protein from peanut butter, the GI response is blunted. Still count them if you’re carb-tracking — they’re low, not zero-carb.
Can I replace peanut butter with almond butter?
Yes. Almond butter works well and gives a slightly lighter flavor. Use the same quantity and make sure it’s a natural variety with no added sugar or palm oil. Tahini also works for a nut-free option with a slightly more savory note.
Why do my cookies fall apart after baking?
Almost always down to two things: bananas that weren’t ripe enough (not sweet or sticky enough to bind), or cutting the cooling time short. Let them sit on the tray the full 10 minutes — they need that time to set up structurally.
Are these suitable for a low-FODMAP diet?
Bananas are moderate FODMAP at ripe stages. If you’re strictly low-FODMAP, use a less ripe banana and keep your portion to one cookie. Rolled oats are generally low-FODMAP at half-cup servings; the peanut butter is fine in standard amounts.
If these become a regular in your house the way they have in mine, save this post so you can find it next time the 8pm snack raid starts. Drop a comment below and tell me which add-in you tried first to make a sugar free cookies — I’m partial to the cinnamon version.
