Tuna Steaks And Mixed Vegetables With Orange Sauce

• 1 1/3 pounds new potatoes halved
• 2 tablespoons vegetable oil
• 1 onion large, peeled and finely chopped
• 1 courgette halved lengthways and sliced
• 1 cauliflower cut into small florets
• 1 teaspoon vegetable bouillon
• 7 tablespoons butter
• 1 egg yolk
• 1 blood orange 1/2 sliced, 1/2 juiced
• 1 zest orange, grated
• 4 tuna steaks 150g each
• fresh basil for garnish

1. Cook the potatoes in boiling salted water for 20 mins. Heat 1 tbsp oil in a saucepan and saute the onion and zucchini until softened. Remove from the pan and add the cauliflower and 3/4 cup water. Bring to a boil and stir in the bouillon. Cover and cook for 8 mins. Add the onion and zucchini and cook for 2 mins.
2. To make the orange sauce: Melt the butter slowly in a separate saucepan. Bring to a boil and skim off the foam. Place the egg yolk and orange juice in a metal bowl set over a hot water bath and whisk. Whisk in the butter in a thin stream. Stir 1 tsp orange zest and season to taste.
3. Heat 1 tbsp oil and sear the tuna for 2 mins on each side. Season to taste.
4. Drain the potatoes and mix with the vegetables. Season to taste. Arrange on plates with the tuna steaks and drizzle over the sauce. Garnish with basil, orange slices and remaining orange zest.

potatoes, vegetable oil, onion, cauliflower, vegetable bouillon, butter, egg yolk, orange, zest orange, fresh basil

Taken from www.yummly.com/recipe/Tuna-Steaks-and-Mixed-Vegetables-with-Orange-Sauce-1405227 (may not work)