2. Remove the skin and bones from the salmon fillet. Then, cut it into small cubes.
3. Cut the yellow lemon in half and squeeze it to extract the juice. Remove any seeds if necessary. Then, finely grate the lemon zest.
4. In a bowl, beat the whole eggs. Add skimmed milk powder, lemon juice, flour, cornstarch or potato starch, nutmeg, and turmeric powder.
5. Season with salt and pepper to taste, then gradually add skimmed milk while stirring well with a whisk until you obtain a smooth and homogeneous cream.
6. Add the reduced-fat grated gruyère cheese and the salmon cubes. Mix well.
7. Lightly grease a tart pan and pour the mixture into it.
8. Bake the quiche for 25 to 30 minutes in the preheated oven or until it is golden brown.
9. Allow the quiche to cool on a wire rack after removing it from the oven before serving.
10. Enjoy this salmon and turmeric quiche as an appetizer or main course, accompanied by a dressed green salad.