Peel and wash the carrots and cut them lengthwise into strips with a peeler. Clean, wash and cut the chard into strips. Peel and chop onion. Heat oil in a pan.
Steam carrots and onion for 2-3 minutes, season with salt and pepper and remove. Sauté chard in the frying fat. Add 100 ml water, season with salt and pepper and simmer for 2-3 minutes.
Take out and let drain. Knead minced meat, egg, breadcrumbs and mustard, season with salt and pepper. Sprinkle a work surface with breadcrumbs. Add the minced meat and roll out into a rectangle (approx. 20 x 28 cm).
Spread about 1/3 of the chard and carrots on top. Roll everything up carefully. Place it with the seam facing down in a greased grease pan of the oven. Cook in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 1-1 1/4 hours.
Prepare rice in boiling salted water according to package instructions. Melt 2 tablespoons of butter, dust with flour and sauté briefly. Add curry and stir in 250 ml water and milk.
Bring to the boil while stirring and stir in the stock. Simmer for 5 minutes at low heat. Season with salt and pepper. Drain the rice and let it drain. Melt 1 tablespoon butter and warm it up. Toss the rest of the carrots and chard in it.
Cut the chopped roll into slices. Serve with rice, sauce and vegetables. Dust with curry and sprinkle with parsley.