Name: Keto Cheddar Zucchini Waffles Recipe
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Ingredients: 2 medium zucchini, grated (about 2 tightly packed cups); 1/2 teaspoon kosher salt; 2 large eggs; 1 cup shredded sharp cheddar cheese; 1/4 cup grated Parmesan cheese; 1/4 cup almond flour; 1 tablespoon coconut flour; 1 teaspoon baking powder; 1/2 teaspoon garlic powder; 1/2 teaspoon onion powder; 1/4 teaspoon black pepper; 1/4 teaspoon smoked paprika; 2 tablespoons chopped green onion or chives; 2 tablespoons crumbled cooked bacon; 1 pinch red pepper flakes; Avocado oil spray, olive oil spray, or melted butter, for greasing

Keto Cheddar Zucchini Waffles Recipe hits that perfect spot between cheesy comfort food and low-carb magic, with crisp edges and a tender, savory center. It works for busy keto eaters, gluten-free folks, and anyone who wants a 25-minute breakfast, lunch, or snack that doesn’t taste like “diet food.” I’ve made so many batches for “recipe testing” that my family now side-eyes me when I say, “I just need one more waffle.”

Why Keto Cheddar Zucchini Waffles Recipe Is Worth It

These keto waffles taste like a mash-up of a grilled cheese and a hash brown patty, with a hint of zucchini that keeps everything moist and tender. Cheddar adds salty richness, while garlic and onion powder bring that diner-style breakfast flavor.

You mix the batter in one bowl, cook it in a waffle iron, and eat in under half an hour. The recipe uses simple ingredients, cleans up easily, and works for meal prep, which makes it a regular in my own weekday rotation.

“Crispy, cheesy, and shockingly low carb, these Keto Cheddar Zucchini Waffles taste like comfort food and keto magic had a delicious little waffle baby.” ★★★★★

Ingredients You Need

Zucchini mixture

2 medium zucchini, grated (about 2 tightly packed cups; smaller zucchini taste sweeter and hold less water)
1/2 teaspoon kosher salt (helps pull moisture from the zucchini)

Cheesy keto waffle base

2 large eggs
1 cup shredded sharp cheddar cheese (sharp cheddar adds more flavor; pre-shredded works fine, but block cheese melts a bit smoother)
1/4 cup grated Parmesan cheese (adds salty, nutty flavor and extra crispness)
1/4 cup almond flour (fine blanched almond flour works best; avoid almond meal)
1 tablespoon coconut flour (helps absorb moisture; if you skip it, add 2 extra tablespoons almond flour)
1 teaspoon baking powder (aluminum-free brands taste cleaner)
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/4 teaspoon black pepper
1/4 teaspoon smoked paprika (optional, but adds a subtle smoky note)

Optional mix-ins

2 tablespoons chopped green onion or chives
2 tablespoons crumbled cooked bacon (sugar-free for strict keto)
Pinch of red pepper flakes for a little heat

Oil / fat for the waffle iron

Avocado oil spray, olive oil spray, or melted butter for greasing the waffle iron

Equipment

Box grater or food processor with grating disc
Medium mixing bowl
Fine-mesh strainer or colander
Clean kitchen towel or cheesecloth (for squeezing zucchini)
Measuring cups and spoons
Fork or whisk
Waffle iron (Belgian or regular; nonstick works best)
Silicone spatula or tongs to remove waffles

Quick Tips & substitutions

Squeeze the zucchini like it owes you money; drier shreds give crispier keto waffles.
Use sharp cheddar instead of mild; you get more flavor without extra carbs.
Swap almond flour with finely ground sunflower seed flour for a nut-free version.
Replace coconut flour with 2 extra tablespoons almond flour if you avoid coconut.
Add 1 extra egg if your batter looks dry or crumbly; it should look thick but scoopable.
Grease the waffle iron generously; cheese-heavy batter sticks more than regular batter.
Preheat the waffle iron fully; hot plates give golden, crisp edges.
Resist opening the waffle iron early; wait until steam mostly stops before you check.
Use pre-shredded bagged zucchini in a pinch, but still salt and squeeze it well.
Freeze extra waffles in a single layer, then reheat straight from frozen in a toaster.

How to Make Keto Cheddar Zucchini Waffles Recipe

Step 1: Prep and salt the zucchini

Grate the zucchini on the medium holes of a box grater or use a food processor. Add the shreds to a colander or fine-mesh strainer set over the sink. Sprinkle with the kosher salt and toss to coat evenly.

Let the salted zucchini sit for 10 minutes so the salt can draw out moisture. After that, transfer the zucchini to a clean kitchen towel or cheesecloth. Wrap it up and squeeze firmly over the sink until you remove as much liquid as possible.

Step 2: Mix the cheesy waffle batter

Crack the eggs into a medium mixing bowl and whisk until the yolks and whites blend smoothly. Add the shredded cheddar, Parmesan, almond flour, coconut flour, baking powder, garlic powder, onion powder, black pepper, and smoked paprika. Stir until the mixture looks thick and evenly combined.

Add the squeezed zucchini to the bowl and mix again until the shreds distribute through the batter. If you use green onion, bacon, or red pepper flakes, fold them in now. The batter should look thick, scoopable, and slightly chunky from the cheese and zucchini.

Step 3: Preheat and grease the waffle iron

Plug in your waffle iron and set it to medium-high heat. Give it several minutes to heat thoroughly; a hot iron helps the keto cheddar zucchini waffles crisp. When it reaches temperature, spray both plates with avocado or olive oil spray, or brush with melted butter.

If your waffle iron tends to run hot, dial it down slightly after the first waffle. Keep your batter nearby so you can work quickly between batches. This helps each waffle cook evenly and keeps the cheese from burning on the plates.

Step 4: Cook the waffles

Scoop about 1/3 to 1/2 cup of batter into the center of the waffle iron, depending on its size. Spread the batter slightly with a spatula so it reaches near the edges, but do not overfill. Close the lid and cook for 4–6 minutes, until the waffle turns deep golden and the steam mostly stops.

Open the waffle iron carefully and check the color. If you like extra-crisp waffles, cook another 1–2 minutes. Use a silicone spatula or tongs to lift the waffle out gently, then transfer it to a wire rack so it stays crisp instead of steaming on a plate.

Step 5: Repeat and keep warm

Grease the waffle iron again lightly before each new waffle. Repeat with the remaining batter, working in batches. Keep finished waffles on a wire rack set over a baking sheet in a low oven (about 200°F) if you want to serve everything at once.

Taste the first waffle and adjust seasoning in the remaining batter if needed. You can add a pinch more salt, pepper, or garlic powder at this stage. Serve the keto cheddar zucchini waffles hot, while the cheese still tastes melty and the edges stay crisp.

Recipe Variations

Extra-low-carb version: Use only hard cheeses like cheddar and Parmesan, and skip any higher-carb veggie mix-ins.
Gluten-free: The base recipe already avoids gluten; just confirm your baking powder and any bacon use gluten-free labeling.
Nut-free: Replace almond flour with finely ground sunflower seed flour in the same amount and keep the coconut flour.
Higher protein: Add 2 tablespoons unflavored whey protein isolate and 1 extra egg to the batter.
Spicy jalapeño cheddar: Stir in 1–2 tablespoons minced jalapeño and a pinch of cayenne.
Herb and garlic: Add 1 teaspoon Italian seasoning and extra garlic powder for a more savory, herby waffle.
Bacon and chive: Fold in 1/4 cup crumbled cooked bacon and 2 tablespoons chopped chives.
Dairy-light version: Use part-skim mozzarella with a smaller amount of cheddar; this still melts well but tastes milder.
Vegan-style low carb: Use a vegan egg replacer (that works in fritters), dairy-free shredded cheese, and almond flour; the texture changes slightly but still holds.

Ways to Serve Keto Cheddar Zucchini Waffles Recipe

Top with a fried or poached egg and sliced avocado for a full keto breakfast.
Use as “bread” for a breakfast sandwich with egg, cheese, and sausage or turkey.
Serve as a base for shredded rotisserie chicken and a dollop of ranch or garlic yogurt sauce.
Cut into wedges and serve with sour cream and salsa for a snack or appetizer.
Pair with a big green salad and grilled chicken for a quick low-carb dinner.
Use as a side in place of hash browns with scrambled eggs and sautéed veggies.

Storage Success

Let the keto cheddar zucchini waffles cool completely on a wire rack so they do not trap steam. Store leftovers in an airtight container in the fridge for up to 3–4 days. Reheat them in a toaster, toaster oven, or air fryer until hot and crisp again.

For longer storage, freeze waffles in a single layer on a baking sheet, then move them to a freezer bag once solid. Reheat straight from frozen in a toaster or air fryer so they keep their crisp edges and cheesy texture.