These keto molten chocolate lava muffins are one of the best chocolate desserts I’ve made in a long time. Rich, fudgy, and with a gooey melted center that flows out when you break them open.
They look and taste like something from a fancy restaurant, but they’re actually really simple to put together at home.
The trick is making little frozen ganache centers ahead of time. You tuck them inside the batter before baking, and they melt into that perfect lava-like filling as the muffins cook.
Everything in this recipe is low carb and keto friendly, so you can enjoy a proper chocolate treat without worrying about sugar or excess carbs.
If you’ve been missing rich chocolate desserts on your keto journey, this one is going to make you very happy.
Why You’ll Love This Recipe
That Gooey Molten Center Is Unreal – Breaking into these muffins reveals a warm flowing chocolate center that feels like a fancy restaurant dessert.
Rich Chocolate Flavor Without the Sugar – Between the cocoa powder and sugar-free dark chocolate you get deep intense chocolate taste with no sugar spike.
Perfectly Keto Friendly – Made with almond flour and erythritol so you can enjoy a decadent chocolate treat while staying on track with your low carb goals.
Impressive but Surprisingly Simple – Molten lava cakes sound fancy but these muffins only need basic mixing and a frozen ganache trick anyone can do.
Recipe Ingredients
For the Chocolate Ganache Centers
- 2 oz Sugar-Free Dark Chocolate, chopped
- 2 tbsp Heavy Cream
For the Muffin Batter
- 1 1/2 cups Almond Flour
- 1/2 cup Unsweetened Cocoa Powder
- 1/2 cup Granulated Erythritol
- 1 1/2 tsp Baking Powder
- 1/4 tsp Salt
- 3 Large Eggs
- 1/3 cup Melted Butter
- 1/4 cup Sour Cream
- 1 tsp Vanilla Extract
- 2 tbsp Sugar-Free Chocolate Chips
How To Make
Step 1
Make the ganache centers first. Heat the heavy cream in a small saucepan until it just begins to simmer, then pour it over the chopped sugar-free dark chocolate in a bowl. Let it sit for 1 minute, then stir until completely smooth.
Spoon the ganache into 10 small mounds on a parchment-lined plate or into a silicone candy mold. Freeze for at least 30 minutes until solid.
Step 2
Preheat your oven to 350F and line 10 cups of a muffin tin with parchment liners.
Step 3
In a large bowl, whisk together the almond flour, cocoa powder, erythritol, baking powder, and salt until no lumps remain.
Step 4
Add the eggs, melted butter, sour cream, and vanilla extract. Stir until you have a thick, smooth chocolate batter. Fold in the sugar-free chocolate chips.
Step 5
Divide half of the batter among the 10 lined muffin cups. Place one frozen ganache disc in the center of each, then spoon the remaining batter on top, making sure the ganache is fully covered.
Step 6
Bake for 18 to 20 minutes. The tops should be set and slightly cracked, but the centers should still feel soft when gently pressed. Do not overbake or you will lose the molten center.
Step 7
Let the muffins cool in the tin for just 3 to 4 minutes, then serve immediately while the centers are still gooey and flowing.
Tips
Freeze the Ganache Until It’s Completely Solid
If the ganache centers aren’t frozen all the way through, they’ll melt into the batter while baking instead of staying as a gooey pocket in the middle. You want them rock solid when they go into the muffin cups.
30 minutes is the minimum, but 45 to 60 minutes is even better. Press one with your finger before using them. If it dents at all, give them more time.
Also, work quickly when you’re placing them into the batter. If they sit out too long while you’re assembling, they’ll start to soften and won’t hold up in the oven.
Make Sure the Ganache Is Fully Covered
When you spoon the second layer of batter on top, make sure the ganache disc is completely sealed in on all sides. If any part of it is exposed or too close to the edge, it’ll leak out during baking and you’ll lose that molten center.
A good trick is to gently press the ganache disc down into the first layer of batter so it sinks in a bit. Then when you add the top layer, it’s easier to fully cover it without needing a ton of batter.
Don’t Overbake These
This is the single biggest thing that can go wrong with this recipe. Even 2 extra minutes in the oven can turn your molten center into a regular chocolate muffin. Set a timer for 18 minutes and check them.
You’re looking for tops that are set and maybe slightly cracked, but when you gently press the center with your finger it should still feel soft and give a little. If the center feels firm, they’ve gone too far.
Every oven is different, so the first time you make these, stay close and check at the 17 minute mark. Once you know your oven, you’ll nail the timing every time after that.
More Recipes
- Keto Chocolate Lava Cookie Cups
- Keto 90-Second Chocolate Mug Cake
- Low Carb Chocolate Lava Cakes
- Keto Chocolate Souffle
- Keto Fudgy Brownie Mug Cake
Frequently Asked Questions
Can I make these ahead and reheat them without losing the molten center?
You can assemble the muffins the night before and store them unbaked in the fridge. When you are ready, pop them straight into the preheated oven and add about 2 to 3 extra minutes to the bake time since the batter will be cold.
If you have already baked them, reheating is trickier. A quick 10 to 15 seconds in the microwave can soften the center again, but it will not be quite as perfectly gooey as when they come fresh out of the oven.
Keto Molten Chocolate Lava Muffins
Ingredients
Equipment
Method
- Make the ganache centers first. Heat the heavy cream in a small saucepan until it just begins to simmer, then pour it over the chopped sugar-free dark chocolate in a bowl. Let it sit for 1 minute, then stir until completely smooth. Spoon the ganache into 10 small mounds on a parchment-lined plate or into a silicone candy mold. Freeze for at least 30 minutes until solid.
- Preheat your oven to 350F and line 10 cups of a muffin tin with parchment liners.
- In a large bowl, whisk together the almond flour, cocoa powder, erythritol, baking powder, and salt until no lumps remain.
- Add the eggs, melted butter, sour cream, and vanilla extract. Stir until you have a thick, smooth chocolate batter. Fold in the sugar-free chocolate chips.
- Divide half of the batter among the 10 lined muffin cups. Place one frozen ganache disc in the center of each, then spoon the remaining batter on top, making sure the ganache is fully covered.
- Bake for 18 to 20 minutes. The tops should be set and slightly cracked, but the centers should still feel soft when gently pressed. Do not overbake or you will lose the molten center.
- Let the muffins cool in the tin for just 3 to 4 minutes, then serve immediately while the centers are still gooey and flowing.