How to Make a Slow Cooker Dump Cake Method

Posted on 2025-10-032025-10-03 by Bert Swope

Dump cake is the kind of dessert you make when you want warm, spoonable comfort without fuss. It uses pantry basics—canned fruit, boxed cake mix, and butter—and trades precision for reliability. In a slow cooker, the method is even simpler: layer, cover, and let gentle heat do the work while you handle dinner or clean up the kitchen.

That said, a hands-off recipe still benefits from a few smart moves. Greasing the crock (or using a liner) helps prevent sticking and gives you cleaner edges. Keeping an eye on moisture matters, too. Slow cookers trap steam under the lid; a quick “tea-towel trick” (details below) stops condensation from dripping back onto the topping so it bakes up more like a cobbler and less like a pudding. And timing isn’t one-size-fits-all—heat output varies by model and size—so you’ll rely on visual cues as much as the clock.

Think of the cake mix and butter as a shortcut streusel. When heat melts the butter into the dry mix, it forms crisp, golden bits that contrast with the soft fruit beneath. Canned pie filling is consistent and reliable. Choose a flavor that pairs well with the cake mix you have (cherry with yellow, apple with spice, blueberry with lemon). If your filling is syrup-heavy, you can gently fold in a spoonful or two of quick oats or finely chopped nuts to the dry mix to soak up extra moisture and add texture.

Food safety and quality both matter in a covered, steamy environment. Keep the lid on while cooking to maintain a safe temperature. When the topping is mostly set with some golden spots and the fruit is bubbling around the edges, you’re done. If you prefer a deeper crust, switch to High for the last 15–20 minutes, lid on, tea towel still in place.

Finally, this is a dessert that welcomes tweaks. You can make it gluten-free with a gluten-free cake mix. Dairy-free butter substitutes work. If you want it less sweet, use a lower-sugar pie filling and scatter only ¾ of the cake mix on top. Serve it warm by the spoonful, with a small scoop of vanilla ice cream or a dollop of lightly sweetened whipped cream if you like. Leftovers reheat well.

The Method at a Glance

What slow cooker size works best?

A 4- to 6-quart oval model gives the topping enough surface area to set and brown in spots. Smaller, deeper cookers take longer and yield a softer top.

How do I prevent sogginess from condensation?

Lay a clean, thin kitchen towel (or a double layer of paper towels) over the crock, then place the lid on top. The towel catches steam so it doesn’t drip onto the topping. Keep the towel edges away from the heating element.

When is it done?

Look for bubbling fruit around the edges, a topping that’s set with dry, sandy areas, and some golden spots. The center can be slightly softer but shouldn’t look wet or raw.

Slow Cooker Cherry “Dump Cobbler”

Equipment

4–6-quart slow cooker (oval preferred)
Cooking spray or soft butter for greasing (or a slow-cooker liner)
Small bowl and fork (for mixing butter with cake mix)
Clean thin kitchen towel or two layers of paper towels
Rubber spatula

Yield

Serves 8 (about 1 cup per serving)

Time

Prep: 10 minutes
Cook: 2 to 2½ hours on High or 4 to 5 hours on Low
Total: 2¼ to 5¼ hours

Ingredients

2 cans cherry pie filling (21 oz each)
(about 1.65 lb each / 595 g each; 1.19 kg total)
1 box yellow cake mix (15.25 oz / 432 g)
Unsalted butter, melted (½ cup / 1 stick / 4 oz / 113 g)
Fine salt (⅛ tsp / a small pinch)
Optional texture boosters (choose up to 1 cup total / 100–120 g):
finely chopped pecans or walnuts, quick oats, or unsweetened shredded coconut
Optional finish: 1 tsp (2 g) lemon zest or ½ tsp (2 ml) almond extract stirred into the fruit

Preparation

Prep the cooker. Lightly grease the crock (or fit a liner). If using zest or extract, stir it into the cherry filling and spread the filling evenly in the crock.
Make the crumb topping. In a small bowl, combine the dry cake mix, melted butter, and salt with a fork until the mixture looks like damp sand with small clumps. If using nuts/oats/coconut, fold them in.
Assemble. Sprinkle the crumb mixture evenly over the fruit. Do not stir.
Control condensation. Lay a clean, thin kitchen towel over the crock (not touching the food). Set the lid on top, trapping the towel edges safely outside the crock so they don’t touch the heating ring.
Cook.
- High: 2 to 2½ hours
- Low: 4 to 5 hours
  Begin checking at the earliest time. You’re looking for bubbling fruit at the edges and a set, matte-looking top with some golden spots.
Rest and serve. Turn the slow cooker to Warm and let the dessert stand 10–15 minutes; the topping firms up slightly as steam settles. Scoop and serve warm.

Visual Doneness Cues

Edges: steady bubbling
Top: matte, sandy areas with light browning
Center: set but softer than edges (not wet)

Variations & Swaps

Apple-Spice: Use apple pie filling and a spice cake mix. Add ½ cup (50 g) chopped pecans.
Blueberry-Lemon: Use blueberry filling and a lemon cake mix; add 1 tsp (2 g) lemon zest to the fruit.
Peach-Vanilla: Use peach filling and yellow cake mix; add 1 tsp (5 ml) vanilla extract to the fruit.
Gluten-Free: Use a gluten-free yellow cake mix; timing is similar, but the top may be slightly more delicate.
Dairy-Free: Use a dairy-free butter substitute in the same amount.
Less Sweet: Use a lower-sugar pie filling and sprinkle only about ¾ of the cake mix (reserve the rest for another use).

Make-Ahead, Storage, Reheating

Make-ahead: Assemble in the crock up to 6 hours ahead; refrigerate covered. Add 10–20 minutes to the cook time if starting cold.
Storage: Cool, then refrigerate in an airtight container up to 3 days.
Reheat: Warm individual portions in the microwave (30–60 seconds) or return to the slow cooker on Warm until heated through (lid on, no towel needed).
Freezer: Up to 1 month; thaw overnight in the refrigerator and reheat gently.

Troubleshooting

Top looks greasy: Whisk in 2–3 Tbsp (12–18 g) quick oats to the dry mix next time to absorb excess butter.
Top is too pale/soft: Cook 15–20 minutes longer. Some models need the full window, especially on Low.
Soggy from condensation: Confirm the towel fully covers the crock and the lid fits snugly. Replace a soaked towel halfway if needed.
Edges over-browning before center sets: Switch to Low and rotate the crock (if removable) to even out hot spots.

Nutrition (estimated, per serving, 1 of 8)

Calories: ~460
Carbohydrates: ~90 g
Added Sugars: ~55 g
Protein: ~3 g
Fat: ~15 g
Saturated Fat: ~9 g
Sodium: ~420 mg
Fiber: ~2 g

Nutrition will vary based on brand and chosen mix-ins.

Quick Reference

Best size: 4–6-quart oval
Cook times: 2–2½ hr High or 4–5 hr Low
Doneness: Bubbling edges + set, matte top with some golden spots
Condensation fix: Tea-towel under the lid
Serve: Warm, rest 10–15 minutes before scooping

This approach gives you a dependable, fruit-forward dessert with a crisp-tender topping—all with minimal hands-on time and a slow cooker doing the heavy lifting.