This lasagna uses thinly sliced courgettes in place of pasta sheets. The white sauce is made from cream, eggs and pesto with no flour needed. So it’s grain free and low carb.Ingredients. 4 large courgettes or scallopini. 500-600gms of minced beef or lamb. 2 large onions. 2 tins of tomatoes. 3 egg yolks plus 1…