Avocado BLT Chaffle: Low-Carb Cheesy Bacon & Tomato Sandwich

BLT Chaffle with Avocado – a fresh, low-carb spin on the classic BLT sandwich using chaffles instead of bread. Chaffles are simple, versatile waffles made from eggs and cheese and have become a popular low-carb trend online. They’re easy to make, adaptable to sweet or savory flavors, and perfect for sandwiches like this savory BLT with creamy avocado.

We recently traveled to Pittsburgh and returned to find the chaffle craze in full swing. Chaffle makers are flying off shelves and recipes are everywhere. We took the trend and developed a savory version that keeps the easy, low-carb base but improves texture and flavor.

Ingredients

The basic chaffle batter is just egg and cheese. Many recipes use mozzarella or cheddar, but the straightforward egg-cheese mix can taste a bit “eggy.” To create a crisper exterior and a more waffle-like interior, Joanie adds a tablespoon of blanched almond flour and 1/4 teaspoon baking powder to the batter. These small additions give a better texture while keeping the recipe very low in carbs.

For this recipe we kept the chaffle savory. You can of course vary the batter—sweet versions use sweeteners, cinnamon, or vanilla. But for a sandwich-style chaffle, the almond flour and baking powder improve crispness and give a lighter waffle feel.

We expect many chaffle variations to appear; this BLT with avocado is our first savory take and a great introduction to the format.

Our BLT Chaffle with Avocado combines two favorites: waffles and BLT sandwiches. Use two chaffles as the “bread,” pile on crispy bacon, a fresh tomato slice, Bibb lettuce, and thinly sliced avocado (or a spoonful of creamy guacamole) for a satisfying low-carb breakfast or brunch sandwich.

Preparation Tips

You will need a waffle maker to make chaffles. We like the Dash Mini Waffle Maker because it makes a perfect 4-inch chaffle suitable for sandwiches and is inexpensive. Preheat the maker and follow these tips for best results:

• Use freshly grated cheese rather than pre-shredded bagged cheese for better melt and texture.
• Make sure the chaffle maker is fully preheated before adding batter.
• Avoid lifting the lid while cooking; timing is important—experiment once, note the time, and repeat for consistency. We found about 3½ minutes produces a nicely cooked chaffle.
• Let chaffles cool briefly on a cooling rack; they crisp on the outside while remaining tender inside.
• Chaffles freeze well. Reheat in a toaster or skillet for best texture.

For the BLT filling, we prefer crispy bacon. Cook it in the oven on a rack to drain excess fat or fry in a skillet and drain on paper towels. Use a generous amount of bacon, a crisp piece of Bibb lettuce, one thick slice of ripe tomato, and fresh sliced avocado. If you like more creaminess, swap the avocado for a spoonful of guacamole.

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Low Carb BLT Chaffle with Avocado – A Classic for Breakfast

The BLT Chaffle with Avocado is a perfect addition to a low-carb breakfast repertoire. Chaffles are an easy, adaptable substitute for bread in many recipes. We’ll keep experimenting with flavors and share more chaffle recipes soon. Below is our tested recipe so you can try this chaffle classic at home.

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