Gluten-Free Keto Caprese Burgers
Italian-inspired keto burgers featuring seasoned ground beef patties topped with spicy harissa, fresh basil, and melted mozzarella cheese. The burgers are finished with a rich balsamic glaze and served alongside golden caramelized zucchini coins cooked in butter with garlic and herbs. Perfect for low-carb dinner seekers who want restaurant-quality flavors at home. The combination of Mediterranean ingredients creates a satisfying meal that delivers both protein and healthy fats while keeping carbs minimal.
Ingredients
- 10 ounce ground beef
- ⅛ teaspoon salt
- ¼ teaspoon black pepper
- ⅛ teaspoon garlic powder
- ⅛ teaspoon onion powder
- ¼ teaspoon Italian seasoning
- ½ teaspoon paprika
- 2 teaspoon olive oil
- 2 teaspoon harissa spicy traditional Moroccan red pepper sauce
- 4 leaf basil
- 1 ½ ounce mozzarella cheese, whole milk
- 7 ounce zucchini
- ¼ teaspoon rosemary, dried
- ½ teaspoon garlic
- ¼ teaspoon crushed red pepper
- 2 teaspoon balsamic vinegar
- ½ tablespoon unsalted butter
Instructions
- 1
Combine ground beef with salt, pepper, garlic powder, onion powder, Italian seasoning, and paprika in mixing bowl
- 2
Divide mixture into 5-ounce portions
- 3
Heat olive oil in pan over medium-high heat
- 4
Place burger portions in hot oil and press down with spatula into patties
- 5
Cook about 5 minutes per side for medium-well
- 6
When flipping burgers, spread harissa over top of each patty
- 7
Place basil leaves on each burger and top with mozzarella
- 8
Cook until cheese melts
- 9
Slice zucchini into 1/4-inch thick pieces
- 10
Toss zucchini with salt, pepper, rosemary, garlic, and red pepper flakes
- 11
Transfer finished burgers to serving dish
- 12
Drain excess grease from pan and return to stove on very low heat
- 13
Pour balsamic vinegar into pan and stir quickly to deglaze
- 14
Drizzle balsamic glaze over burgers
- 15
Return pan to medium heat
- 16
Cook zucchini until just tender
- 17
Reduce heat to low and melt butter in pan
- 18
Stir until zucchini is coated and caramelized golden brown
- 19
Serve immediately alongside burgers
Tips
Press burgers down firmly when cooking to ensure even browning and proper searing for maximum flavor development.
Work quickly when deglazing with balsamic vinegar to prevent burning and bitter flavors from developing.
Cook zucchini just until tender to maintain slight bite and prevent mushy texture.
Good to Know
Refrigerate cooked burgers up to 3 days. Store zucchini separately as it releases moisture.
Season beef patties up to 4 hours ahead. Prep zucchini 2 hours ahead but cook just before serving.
Serve immediately while cheese is melted and zucchini is warm and buttery.
Common Mistakes
Don't overcook zucchini to avoid mushy texture.
Work quickly when deglazing to prevent burning balsamic vinegar.
Press burgers gently to avoid tough texture from overworking.
Substitutions
Dairy-Free Swaps
General Alternatives
FAQ
Can I make these burgers ahead of time?
You can form and season the patties up to 4 hours ahead and refrigerate. Cook just before serving for best texture and flavor.
What if I don't have harissa sauce?
Substitute with sriracha, hot sauce, or a mixture of paprika and cayenne pepper for similar heat and flavor complexity.
How long will leftovers keep in the refrigerator?
Cooked burgers will keep 3 days refrigerated. Store zucchini separately as it releases moisture and can make burgers soggy.