No Bake Pumpkin Spice Protein Bars (Gluten Free)

No bake pumpkin spice bars made with oat flour, cashew butter, and a scoop of protein powder, pressed into a loaf pan and topped with white chocolate.

I make these on Sunday and they’re what stops me eating a handful of chocolate chips over the sink at 3pm.

No bake pumpkin spice protein bars are blended oat flour, pumpkin puree, cashew butter, honey, and protein powder pressed into a loaf pan and chilled until firm. One pan makes 8 bars at 254 calories and 9g of protein each, and they come together in 10 minutes with no oven.

They sit closer to a soft oat bar than a dense store-bought protein bar, which is the point. Nothing chalky, nothing you have to chew through.

Why You’ll Love These

• No oven, 10 minutes of work. One bowl, one loaf pan, an hour in the fridge.
• They keep for a week. I cut the pan up Sunday and eat them all week.
• The white chocolate layer sets hard, so they snap instead of squishing in a bag.

What You Need

Amounts are in the recipe card.

Gluten free quick oats, blended to flour. Blitz them until powdery. Whole oats leave the bars gritty and they won’t hold together when you slice.

Pumpkin puree. Pure pumpkin, not pie filling. Only a quarter cup, because more moisture than that and the bars never firm up.

Cashew butter, melted. Melting it first is what lets it coat the dry ingredients evenly. Cold nut butter clumps and you get dry pockets. Almond butter swaps in one for one.

Honey. Sweetener and binder both. It’s doing structural work, so cutting it back means the bars crumble.

Vanilla protein powder. I use PEScience Gourmet Vanilla. This is the ingredient that changes the result most, so it’s worth knowing how each type behaves. Whey blends stay soft and are the most forgiving. Whey isolate on its own drinks up more liquid and can leave the bars dry, so hold back a little oat flour if that’s what you have. Plant proteins, pea and rice especially, absorb the most and can turn chalky, so add a splash of milk a teaspoon at a time until the mix is tacky rather than crumbly. Casein makes them dense and fudgy, which some people prefer.

Pumpkin pie spice, cinnamon, and salt. Don’t skip the salt with this much honey in the mix.

White chocolate chips and coconut oil for the top. The coconut oil thins the chocolate so it spreads instead of tearing the surface.

How to Make Them

1. Blend the oats to flour, then whisk with the protein powder, pumpkin pie spice, cinnamon, and salt.
2. Melt the cashew butter for 20 seconds, then stir together with the pumpkin puree, honey, and vanilla.
3. Add the dry to the wet and mix until no powder is left. It should be thick and slightly tacky.
4. Press firmly into a parchment-lined loaf pan. Firmly is the operative word. Use the back of a spoon and lean on it, because loosely packed bars fall apart when you cut them.
5. Melt the white chocolate with the coconut oil and spread over the top.
6. Chill 1 hour, then lift out by the parchment and cut into 8.

How to Boost the Protein

As written these come in at 9g per bar, which is a snack rather than a meal replacement. If you want them working harder, three things move the number without wrecking the texture:

Add a second scoop of protein powder and a splash of milk to compensate. Protein powder is thirsty, so the mix needs the extra liquid or it goes crumbly.

Swap some oat flour for more protein powder rather than adding on top. This raises protein without adding calories, which is the version I’d reach for.

Cut the honey back and use a sugar-free syrup for part of it. Honey is a big share of the carbs here. Keep at least half though, because it’s holding the bars together.

Change one at a time and check the texture before stacking all three. Every substitution here trades moisture for structure, and it’s easy to overshoot into dry and crumbly.

Tips

Press harder than feels necessary. Nine out of ten crumbling complaints with no bake bars come down to the mixture not being compacted enough before it chills.

• Line the pan with parchment and leave overhang so you can lift the whole slab out.
• Chill at least an hour before cutting. Thirty minutes gives you soft edges.
• Warm the knife under hot water and wipe between cuts for clean lines through the white chocolate.
• Score the chocolate before it fully sets if you want the top layer to crack neatly instead of shattering.

Test the mix before it goes in the pan. Squeeze a small amount in your fist, and if it holds its shape it’s ready. If it falls apart, add a teaspoon of nut butter or milk and mix again. If it sticks to your hand in a wet clump, add a spoonful of oat flour. Sorting the consistency at this stage takes thirty seconds, and it’s the difference between bars and a pan of crumbs an hour from now.

Variations

• Dark chocolate instead of white. Cuts the sweetness noticeably, and it’s what I make when the white chocolate feels like too much.
• Add pumpkin seeds or chopped pecans to the top before the chocolate sets.
• Dairy free. Dairy free chocolate chips and a plant protein powder, nothing else changes.

Storing and Freezing

Fridge: Airtight container for up to a week. These live in the fridge rather than the counter, because they soften at room temperature.

Freezer: Up to a month. Wrap individually or layer with parchment so they don’t fuse into a block.

Thawing: Ten minutes on the counter. They’re firm straight from the freezer and easier to eat with a few minutes on them.

More Pumpkin and Protein Recipes

• Copycat Pumpkin Perfect Bars
• Pumpkin Pie Protein Ice Cream
• Pumpkin Pie Protein Cheesecakes
• Protein Peanut Butter Crunch Balls
• Gluten Free Pumpkin Oatmeal Bars

If you make these, leave a star rating and tell me which protein powder you used, since that’s the variable that changes the texture most. Tag me @basicswithbails or save this to Pinterest for meal prep Sunday.