Mix orange juice and mustard. Gradually fold in 3 tablespoons of olive oil. Wash the cucumber, rub dry and peel it in strips. Cut cucumber into fine cubes. Clean, quarter and seed the bell peppers.
Wash the peppers, dab dry and also finely dice them. Peel onion and garlic. Finely dice the onion. Press garlic through a garlic press. Heat 1 tablespoon of olive oil in a wide saucepan.
Sweat onion, garlic, cumin and turmeric in it. Deglaze with broth. Sprinkle in couscous and let it swell for 2 minutes. Add butter in flakes and let simmer for 3 minutes at low heat.
Meanwhile roast pumpkin seeds in a pan without fat. Wash the mint and shake dry. Pluck the leaves, except for a few for garnishing, from the stalks and chop finely. Add vinaigrette to the couscous and mix.
Paprika, cucumber, mint and pumpkin seeds carefully fold in. Crumble the feta cheese and sprinkle over it. Garnish with remaining mint.