Slow-Cooker Blueberry-Ginger Oat Cobbler

This easy cobbler is a great way to use up any fresh, in-season blueberries you have but frozen blueberries are also a perfectly fine option. It’s very low in added sugar for a dessert — with most sweetness coming from the antioxidant-rich blueberries — yet it’s just sweet enough, clocking in at just over 200 calories and providing healthy fiber from oats and whole-wheat flour, as well as the blueberries (1,2,3,4).

Active time: 15 minutes | Total time: 3 1/2 hours

Slow-Cooker Blueberry-Ginger Oat Cobbler

Ingredients

• 6 cups (900g) fresh (or frozen and thawed) blueberries
• 4 tbsp packed brown sugar, divided
• 1 1/2 tbsp cornstarch
• 1 tbsp grated fresh ginger
• 1 tbsp lime juice
• 1 tsp lime zest
• 1 tsp vanilla extract
• 3/4 tsp salt
• 3/4 cup instant oats
• 1/2 cup (60g) whole-wheat flour
• 1 tsp baking soda
• 4 tbsp unsalted butter, cold

Directions

In a 5–6-quart slow cooker, stir together the blueberries, 2 tbsp brown sugar, cornstarch, ginger, lime juice, lime zest, vanilla extract, and ½ tsp salt. Cover and cook on high for 1 hour.

While the filling cooks, prepare the topping. In a large bowl, stir together the oats, flour, 2 tbsp brown sugar, baking soda, and 1/4 tsp salt. Cut the butter into small pieces and add to the dry ingredients. Use your fingers to gently pinch and knead until a crumbly dough forms.

After the filling has cooked for 1 hour, scatter the topping evenly over the fruit mixture. Cover and cook on high for an additional 2 1/2 hours, or until the filling is bubbly and thick and the topping is cooked through.

Serves: 8 | Serving Size: 3/4 cup

Nutrition (per serving): Calories: 211; Total Fat: 7g; Saturated Fat: 4g; Monounsaturated Fat: 2g; Polyunsaturated Fat: 1g; Cholesterol: 15mg; Sodium: 270mg; Carbohydrate: 35g; Dietary Fiber: 4g; Sugar: 18g; Protein: 3g

Nutrition Bonus: Calcium: 7%; Potassium: 139mg; Vitamin A: 4%; Vitamin C: 16%; Iron: 17%

Originally published: September 9, 2018; Updated May 2026

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