Follow these detailed steps to create perfectly crisp and flavorful homemade veggie crackers. The most critical step is removing excess moisture from the vegetables to guarantee a crunchy result.

Step 1: Prepare the Vegetables
Begin by thoroughly washing and drying your carrots, zucchini, and spinach. Using a box grater or a food processor with a grating attachment, finely grate the carrots and zucchini. For the spinach, chop it as finely as you can with a sharp knife, or pulse it a few times in the food processor until it’s in very small pieces.

Step 2: The Most Important Step – Squeeze the Veggies!
This step is non-negotiable for achieving crispy crackers. Place the grated carrots and zucchini into the center of a clean kitchen towel, a nut milk bag, or a few layers of heavy-duty paper towels. Gather the corners and twist, squeezing as hard as you can over the sink. You will be amazed at how much water comes out. Continue squeezing until you can’t get any more liquid out. The vegetable pulp should feel quite dry. Add the finely chopped spinach to the squeezed carrot and zucchini mixture.

Step 3: Combine Dry Ingredients
In a large mixing bowl, add the almond flour, ground flaxseed (or chia seeds), sea salt, garlic powder, onion powder, and black pepper. Whisk them together until they are evenly combined. This ensures that the seasonings are distributed throughout the entire batch of crackers.

Step 4: Form the Dough
Add the squeezed vegetable mixture and the olive oil to the bowl with the dry ingredients. Use your hands to mix and knead everything together inside the bowl. The mixture will start to come together and form a cohesive ball of dough. If the dough feels too dry and crumbly, add one tablespoon of water at a time until it holds together. Be careful not to add too much water. The final dough should be firm and pliable, not sticky.

Step 5: Roll Out the Dough
Preheat your oven to 350°F (175°C). Tear off two large sheets of parchment paper. Place the ball of dough in the center of one sheet and cover it with the second sheet. Using a rolling pin, roll the dough out into a large, thin rectangle. Aim for a thickness of about 1/8 inch or even slightly thinner. The thinner you roll the dough, the crispier your crackers will be. Rolling between parchment paper prevents the dough from sticking and makes it easy to achieve an even thickness.

Step 6: Score the Dough
Carefully peel off the top layer of parchment paper. Using a pizza cutter or a sharp knife, score the dough into your desired cracker shape. Squares of about 1.5 x 1.5 inches are a classic choice. You don’t need to cut all the way through; just pressing firmly to create deep score lines will allow the crackers to break apart easily after baking. If you like, you can sprinkle a little extra sea salt or some sesame seeds on top at this stage.

Step 7: Bake to Perfection
Slide the parchment paper with the scored dough onto a large baking sheet. Bake for 20-25 minutes. The edges will start to brown first. At the 15-minute mark, you may want to check on them and rotate the pan to ensure even baking.

Step 8: The Second Bake (Optional but Recommended)
For ultra-crispy crackers, once the initial baking time is up, remove the tray from the oven. Carefully break the crackers apart along the score lines. Spread them out in a single layer on the baking sheet. Return them to the oven for another 5-10 minutes. This second bake helps to dry out the centers and ensures every single cracker has that irresistible crunch. Keep a close eye on them during this time as they can brown quickly.

Step 9: Cool Completely
Remove the crackers from the oven and transfer them to a wire cooling rack. They will continue to crisp up as they cool. It is crucial to let them cool completely before storing them to prevent them from becoming soft.