Almost all shop brought crackers come in plastic and often recipes contain flour and dairy. Here is a simple seed cracker recipe that can be made with bulk bin ingredients.
Vegan, Gluten Free and Nut Free
150g Sunflower seeds
125g Pumpkin seeds
75g Chia seeds
20g Poppy seeds
15g Seasame seeds
Add 1.5 cups cold water, let soak for at least 15 minutes.
Spread on greased tray (alternatively use baking paper or silicon baking sheet).
Fan bake 170°C for 20-30 minutes, until dried out. Score after 10 minutes.