Keto Zucchini Sliders

Prep Time: 20 minutes | Cook Time: 25 minutes
Total Time: 45 minutes
Skill Level: Easy
Yield: 8 sliders (serves 2-4)

Introduction

Ditch the bun, not the burger! These Keto Zucchini Sliders are the perfect solution for anyone craving a juicy, satisfying burger while sticking to a low-carb lifestyle. Using thick-cut rounds of fresh zucchini as a wholesome and delicious base, these sliders pack all the classic flavors of a backyard barbecue into a nutritious, grain-free package. They’re easy to make, incredibly versatile for toppings, and sure to become a weeknight favorite for the whole family.

Equipment

• Sharp knife

• Cutting board

• Box grater or food processor (for onion, optional)

• Large mixing bowl

• Baking sheet

• Parchment paper or silicone baking mat

• Paper towels or a clean kitchen towel

• Small bowl (for egg wash)

• Pastry brush (optional)

• Spatula

Ingredients

For the Zucchini “Buns”:

• 2 medium-large zucchinis (about 1 lb total), ends trimmed

• 1 tablespoon olive oil

• ½ teaspoon garlic powder

• ½ teaspoon sea salt

• ¼ teaspoon black pepper

For the Slider Patties:

• 1 lb ground beef (80/20 blend is ideal for juiciness)

• ¼ cup finely grated yellow onion

• 1 large egg

• 1 teaspoon Worcestershire sauce (check for sugar-free if strict keto)

• 1 teaspoon smoked paprika

• ¾ teaspoon sea salt

• ½ teaspoon black pepper

• ½ teaspoon garlic powder

• 1 tablespoon olive oil, for cooking

For Assembly & Toppings (Choose Your Favorites):

• 4 slices cheddar cheese, halved (or American, pepper jack, Swiss)

• 8 small slices of tomato

• 8 small leaves of butter lettuce or romaine

• Sugar-free pickles

• ¼ cup sugar-free keto-friendly burger sauce or mayonnaise

• Sliced avocado

• Thinly sliced red onion

Instructions

Step 1: Prep the Zucchini Buns

1. Preheat your oven to 425°F (220°C) and line a baking sheet with parchment paper.

2. Slice the zucchinis into 16 round slabs, about ½-inch thick. You need an even number for top and bottom “buns.”

3. Place the zucchini rounds on a layer of paper towels and sprinkle both sides lightly with salt. Let them sit for 10 minutes. This crucial step draws out excess moisture, preventing soggy sliders.

4. After 10 minutes, firmly pat each round dry with paper towels or a clean kitchen towel.

5. Arrange the dried zucchini rounds on the prepared baking sheet. Brush or lightly drizzle both sides with 1 tablespoon of olive oil and season with ½ teaspoon garlic powder, ½ teaspoon salt, and ¼ teaspoon pepper.

6. Roast for 20-25 minutes, flipping halfway through, until golden brown and tender. Remove from oven and set aside.

Step 2: Make the Slider Patties

1. While the zucchini roasts, prepare the patties. In a large mixing bowl, combine the ground beef, grated onion, egg, Worcestershire sauce, smoked paprika, salt, pepper, and garlic powder.

2. Use your hands to mix gently but thoroughly until all ingredients are just combined. Avoid over-mixing, which can make the meat tough.

3. Divide the mixture into 8 equal portions. Roll each into a ball, then flatten into small patties, about ½-inch thick and slightly wider than your zucchini rounds (they will shrink as they cook).

Step 3: Cook the Patties

1. Heat 1 tablespoon of olive oil in a large skillet or grill pan over medium-high heat.

2. Once the oil is shimmering, add the patties, working in batches if necessary to avoid crowding the pan.

3. Cook for 3-4 minutes per side for medium doneness, or until cooked to your preferred level.

4. In the last minute of cooking, place a half-slice of cheese on each patty and cover the pan briefly to allow it to melt.

Step 4: Assemble the Sliders

1. To build, place a roasted zucchini round on your plate (this is the bottom “bun”).

2. Add a leaf of lettuce, then the cheesy slider patty.

3. Layer on your chosen toppings: a slice of tomato, pickles, onion, avocado, or a drizzle of keto sauce.

4. Top with a second roasted zucchini round. Secure with a toothpick if desired, and serve immediately while warm.

Chef’s Notes & Variations

• Make it Dairy-Free: Omit the cheese or use a dairy-free alternative. The patties are still full of flavor.

• Protein Swap: Feel free to use ground turkey, chicken, or lamb instead of beef. Adjust cooking time as needed.

• Add Some Heat: Mix ½ teaspoon of chili powder or cayenne pepper into the patty mixture, or top with a spicy sugar-free sriracha mayo.

• Meal Prep Friendly: The roasted zucchini rounds and uncooked patties can be stored separately in airtight containers in the refrigerator for up to 2 days before assembling and cooking.

• Grill Option: For a smokier flavor, grill the zucchini rounds and patties on a preheated medium-high grill for 3-4 minutes per side.

Nutrition Information (Per 1 Slider with Cheese, without additional toppings/sauce)