Keto Hamburger Buns Recipe (Fathead Dough)
These keto hamburger buns use fathead dough — melted mozzarella, cream cheese, almond flour, and psyllium husk — to make a sturdy bun with about 4 g net carbs each. The full batch of 6 buns takes about 15 minutes of hands-on prep and 20 minutes in the oven, roughly 35 minutes total, and holds together well enough for a double patty with toppings.
Regular hamburger buns run 20 to 25 g net carbs each before you even add the patty, which is most of a full day's keto carb budget in one bite. Fathead dough — the melted-cheese-and-almond-flour base behind most keto breads — swaps that starch for cheese, eggs, and psyllium husk, so you get a bun that holds a burger instead of falling apart in your hands. This recipe pairs well with our keto bagels, which use the same dough family shaped differently, and both sit alongside the rest of our keto recipes by type.
What makes these keto hamburger buns sturdy enough for a burger?
The dough is built on melted mozzarella and cream cheese instead of gluten, with almond flour and psyllium husk powder as the structure. Psyllium husk absorbs liquid and swells, mimicking the chew and crumb of wheat gluten, while the cheese acts as both binder and moisture. That combination is why these buns hold a juicy patty without turning soggy or crumbling apart mid-bite.
What ingredients go into fathead-dough keto buns?
Six ingredients do the real work: mozzarella, cream cheese, almond flour, psyllium husk powder, eggs, and baking powder. Two doughs show up across keto bread recipes — classic fathead (cheese-forward, denser) and a psyllium-forward version (lighter, more bread-like but needs careful hydration) — this recipe blends both for a bun that's sturdy but not dense.
- 2 cups (224 g) shredded part-skim mozzarella — the melt-and-bind base.
- 3 oz (85 g) full-fat cream cheese — softens the dough and adds moisture.
- 1 1/4 cups (140 g) superfine blanched almond flour — the bulk of the crumb; see our keto food list for other low-carb flours that work in this dough family.
- 2 tbsp (16 g) psyllium husk powder — the ingredient that keeps these from tasting eggy (see below).
- 1 tbsp (12 g) baking powder — lift, so the buns aren't flat and dense.
- 1/2 tsp fine sea salt
- 2 large eggs, room temperature — cold eggs seize the melted cheese into clumps.
- 1 tbsp (14 g) melted butter, for brushing, plus optional sesame or everything-bagel seasoning.
Almond flour and psyllium husk are specialty-aisle items in most grocery stores; our keto grocery shopping list covers where to find them and which brands are reliably low-carb.
How do you make keto hamburger buns?
Melt the cheese, mix it into the dry ingredients with eggs, rest the dough 5 minutes, shape into 6 discs, and bake at 350°F for 18 to 20 minutes. The rest step matters more than any other — it lets the psyllium husk absorb moisture so the dough holds a shape instead of spreading flat in the oven.
- Preheat the oven to 350°F (175°C) and line a baking sheet with parchment.
- Microwave the mozzarella and cream cheese in 30-second bursts, stirring between each, until fully melted and smooth (about 90 seconds).
- Whisk the almond flour, psyllium husk powder, baking powder, and salt in a separate bowl.
- Add the melted cheese and eggs to the dry mix. Combine by hand or with a stand mixer's dough hook until you have a uniform, slightly sticky dough.
- Let the dough rest 5 minutes.
- Divide into 6 portions (about 90 g each), roll into balls, then flatten into 3-inch discs spaced 2 inches apart.
- Brush with melted butter, top with seeds if using, and bake 18 to 20 minutes until golden and firm.
- Cool on the sheet 10 minutes, then finish cooling on a wire rack before slicing.
Shaping technique for even, sturdy buns
Roll each portion into a smooth ball before flattening — flattening straight from a rough clump leaves cracked edges that widen in the oven. Keep the discs slightly thicker at the center than the edge; fathead dough spreads as the cheese re-melts, so a center-heavy disc bakes into a more even, burger-ready round.
How do you avoid eggy or dense keto buns?
Eggy flavor comes from too much egg relative to cheese and flour, and dense buns usually mean the dough wasn't rested before shaping. Two eggs for this batch size is the ceiling — more than that and the egg flavor dominates. Skipping the 5-minute rest is the most common reason home versions turn out flat and gummy in the middle instead of holding an even crumb.
- Too eggy: cut back to 2 eggs max for this quantity of cheese and flour, and don't skip the psyllium husk, which masks residual egg flavor with a more neutral, bread-like chew.
- Too dense or gummy center: confirm your oven actually hits 350°F, bake the full 18 to 20 minutes, and let the buns cool before slicing — cutting into a hot bun makes the crumb look underdone even when it isn't.
- Buns spread flat: the dough was too warm when shaped, or the rest step was skipped; chill the dough for 5 extra minutes if your kitchen runs hot.
How many net carbs are in a keto hamburger bun?
Each bun has about 4 g net carbs — 9 g total carbs minus 5 g fiber — from a batch of 6. That's roughly a sixth the net carbs of a standard wheat bun, mostly from the almond flour and psyllium husk, both of which are high enough in fiber that most of their carbohydrate doesn't count toward your daily total.
| Nutrient (per bun) | Amount |
|---|---|
| Calories | 330 kcal |
| Total carbs | 9 g |
| Fiber | 5 g |
| Net carbs | 4 g |
| Protein | 17 g |
| Fat | 26 g |
Run your own daily total with the net-carb calculator, or see our full walkthrough on calculating your keto macros to fit these buns into your day.
Frequently Asked Questions
How many net carbs are in a keto hamburger bun?
Why do keto hamburger buns taste eggy?
Can you make these buns without psyllium husk?
Can you freeze keto hamburger buns?
Why do keto buns get soggy under a burger?
What's the difference between fathead dough and other keto bread doughs?
Works cited
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