Flank Steak with Blueberry and Camembert Sauce

Name: Flank Steak with Blueberry and Camembert Sauce
Cuisine: French, European, Mediterranean
Ingredients: 2 tbsp (30 mL) olive oil; 2 tbsp (30 mL) butter; 1 lb 10 oz (750 g) flank steak; 2 French shallots chopped; 1/2 tbsp (7 mL) all-purpose flour; 1/3 cup (80 mL) white wine; 1 cup (250 mL) veal stock or beef broth; 1 sprig of fresh or dried thyme to taste; 1/4 cup (60 mL) fresh blueberries or frozen blueberries thawed and drained; 4 oz (120 g) Canadian Camembert diced; Salt and ground pepper to taste