Cook rice in boiling salted water according to package instructions. Wash, clean, quarter and seed the tomatoes. Cut flesh into small cubes. Cook peas in little boiling salted water for 4-5 minutes.
Melt 2 tablespoons of fat in a saucepan, dust with flour and sauté briefly. Gradually stir in 250 ml water and milk. Bring to the boil, stir in the stock and simmer over a mild heat for about 8 minutes.
Drain the peas and rice and let them drain. Wrap each fish fingers with a slice of bacon. Heat oil in a pan, fry fish fingers while turning according to instructions on the packet. Wash the parsley, dab dry, put some aside for garnishing, chop the rest finely.
Melt 1 tablespoon of fat in a saucepan. Sauté diced tomatoes in it. Add rice and peas and heat briefly. Mix in chopped parsley. Fry the parsley in the fat of the fish fingers.
Season the sauce with mustard, salt and pepper. Serve fish fingers with rice and sauce. Garnish with fried parsley.