Dinner will be ready in less than 30 minutes. The bright pink fish is gorgeous mixed with mushrooms and spinach. Serve with garlic mashed potatoes.br br 4 Ontario Rainbow Trout Fillets (6 oz175 g)br 4 tsp (20 mL) grainy Dijon mustardbr Pepperbr 2 oz (60 g) Ontario Prosciutto, finely chopped (about 2 slices or br 14 cup50 mL)br 1 tbsp (15 mL) olive oilbr 1 small Ontario Onion, finely choppedbr 3 cups (750 mL) finely chopped Ontario Button Mushroomsbr 2 cups (500 mL) Ontario Spinach, finely choppedbr 14 cup (50 mL) grated Ontario Parmesan Cheesebr br Pat fillets dry with paper towel. Place skin-side down, on foil-lined rimmed baking sheet. Spread 1 tsp (5 mL) mustard on each fillet, season with pepper to taste. Set aside.br br In large frying pan, over medium-high heat sauté prosciutto until crisp; remove from pan and set aside.br br Add oil to pan; sauté onion and mushrooms over medium-high heat until tender, about 5 minutes. Add spinach; cook for 1 minute or until wilted. Divide among fillets, pressing lightly to keep in place; top each with 1 tbsp (15 mL) each Parmesan and prosciutto. Bake in 475°F (240°C) oven for 10 to 12 minutes or until fish is opaque and flakes easily when tested with fork.