Step 1Prepare the low-carb croutons. Preheat oven to 175 °C/ 350 °F (fan assisted), or 195 °C/ 380 °F (conventional). Line a baking sheet with parchment paper. Mix ground chia seeds, coconut flour, rosemary, baking powder, garlic powder and salt in a small bowl. Add the egg and oil and mix until combined.