Raspberry oat bars are tart, sweet, and crumbly and a healthy way to satisfy your craving for a sweet snack or quick breakfast. This easy recipe uses fresh or frozen raspberries, is naturally vegan, gluten-free, and made without added oil or vegan butter.

Admittedly, I've been on a bit of a raspberry kick lately. First, raspberry salsa, then that divine raspberry chipotle sauce (making that for the holidays). But the inspiration for raspberry oatmeal bars was more vegan baked oatmeal and oatmeal breakfast bars.
I've made several batches of raspberry bars over the past month. Just perfecting the recipe, me (tee-hee). I can't tell you which is better: a pick-me-up first thing in the morning as a substitute for my bowl of granola and fruit or a post-walk 'you deserve a snack' vibe. The best part? They're so easy to make you don't even need a justification.
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Table of Contents
Why You'll Love This Recipe
- The burst of zesty raspberry flavor is a natural energizer.
- A delicious make-ahead dessert, snack, or quick breakfast option.
- Oat crumble is used for the crust and topping. It's sweetened with lightly refined coconut sugar and orange juice.
Ingredients and Substitutions
- Raspberries. I used frozen raspberries for this recipe because I always stock up on them when they are on sale. You can also use fresh raspberries. Other recipes use raspberry jam, but I've not tried this substitute.
- Orange Juice. Orange juice naturally sweetens the raspberries and adds moisture to the dry ingredients. I also use juice as an easy way to skip oil or vegan butter for the crispy topping on sweet potato casserole.
- Oats. Rolled or old-fashioned oats have the best texture for making bars or baked oatmeal.
- Almond Flour. Almond flour is made from blanched (skin-off) almonds. It's different from ground almonds (almond meal) made from whole almonds (skins on). For this recipe, finely ground almond meal is a good substitute.
- Cornstarch. I used cornstarch to thicken the raspberry mixture. You can also use arrowroot, chia seeds, or ground flax seeds.
Please see the recipe card at the bottom of this post for the complete list of ingredients, measurements, and instructions.
Recipe Variations
- This is an excellent recipe for experimenting with different kinds of fruit, such as blueberries, cranberries, strawberries, or mixed berries.
- Looking for an easy, fancy dessert? Make the bars in ramekins, cool them, and top with vegan ice cream or whipped topping.
Step-by-Step Instructions
Mix 2 tablespoons of orange juice and 1 tablespoon of cornstarch in a measuring cup. Simmer the raspberries, maple syrup, and orange juice mixture in a small saucepan for 15-20 minutes.
Combine the oats, almond flour, coconut sugar, salt, vanilla, and orange juice.
Spread half the oat mixture on the bottom of a small, 5.5x8-inch baking dish.
Add the raspberry filling in an even layer.
Use your fingers to spread the rest of the oat mixture over the top.
Bake for 30-35 minutes.
Pro Tips
- I usually thaw frozen raspberries for a few hours on the counter. If you forget (as I’ve done), add them to the pan and stir frequently until they thaw and break down.
- Mash the raspberries with the back of a spoon as they simmer. The mixture should resemble jam. Fresh raspberries may take a few minutes longer, with more dedicated mashing to break down.
- After baking, place the dish on a wire rack and let it cool to room temperature before cutting them.
- Almond flour readily absorbs moisture, so stick to ½ a cup of orange juice. If the oat mixture has extra moisture when you squeeze it, add more oats or almond flour.
Baking Dish Tip
I have a small baking dish that I picked up from IKEA years ago. It measures 5.5x8 inches in the bottom. You can use a small baking dish of similar measurements so long as half the oat mixture will spread in an even layer on the bottom about ½ inch thick.
Storage
Store raspberry bars in the original baking dish, covered with plastic wrap or aluminum foil, or in an airtight container. They can safely be stored at room temperature for 2-3 days or 4-5 days in the refrigerator.
Frequently Asked Questions
I don't recommend freezing raspberry oatmeal bars because they become too moist and mushy after freezing and thawing.
The best substitute for maple syrup is an equal amount of date paste. If you use dry, granulated sugar, like coconut or date sugar, you may need to add an extra tablespoon of orange juice, depending on the thickness of the mixture.
Granulated white sugar for this recipe is highly refined and often not vegan. I recommend date sugar or brown sugar as a replacement for coconut sugar.
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👩🏻🍳 Recipe
Raspberry Oat Bars (Vegan and Gluten-Free)
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Equipment
- 1 small baking dish or pan (I used a 5.5x8 inch baking dish)
Ingredients
- 2 cups raspberries - thawed frozen or fresh (see note 1)
- ¼ cup maple syrup
- 2 tablespoons orange juice
- 1 tablespoon cornstarch
- 2 cups rolled oats
- 2 cups almond flour
- 1 cup coconut sugar
- 1 teaspoon vanilla extract
- ½ cup orange juice
Instructions
- Mix 2 tablespoons of orange juice and 1 tablespoon of cornstarch in a small dish or measuring cup.
- Add the raspberries, maple syrup, and the orange juice cornstarch mixture to a medium saucepan. Heat on medium until the mixture starts to simmer. Continue simmering, stirring frequently and mashing the berries for 15-20 minutes until the sauce thickens and the raspberries break down.
- Remove the raspberry mixture from the heat and stir it to let it cool a little while you prep the baking dish.
- Preheat the oven to 350 F (176 C).
- Combine the almond flour, oats, coconut sugar, and salt in a medium bowl and toss to combine.
- When the raspberry mixture is thick, remove it from the heat.
- Add the vanilla and ½ cup of orange juice to the oat mixture. Stir the mixture to moisten the ingredients.
- Spread half the mixture on the bottom of a small baking dish (mine was 5.5x9 inches). Press it into the bottom using the back of a spoon.
- Next, spread the raspberry filling evenly over the bottom layer.
- Use your fingers to sprinkle the remaining oat mixture over the top, covering the raspberry layer.
- Place the baking dish in the oven and bake for 30-35 minutes until the top is brown. Remove from the oven and cool on a wire rack before cutting.
Notes
- Thaw frozen raspberries in a bowl on the counter or overnight in the refrigerator. If you add partially frozen raspberries when making the filling, stir them frequently until they thaw and break down. It will just take a few more minutes.
- Nutritional information is based on 12 servings. The number of bars depends on the size of the pan you use and how small you cut them.
- To store, cover the baking dish with plastic wrap or aluminum foil or transfer the bars to an airtight container. Store at room temperature for 2-3 days or in the refrigerator for 4-5 days.
- Try this recipe with a variety of berries, including blueberries, cranberries, or mixed berries. You may need to adjust the amount of maple syrup depending on the type of berry.
Nutrition
Nutritional information is an estimation only.
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