Roast Sirloin with Grainy Mustard and Herbes de Provence – West IGA

Ingredients

• 3 tbsp whole-grain Dijon mustard 45 mL
• 5 tsp all-purpose flour, divided 25 mL
• 1 tsp olive oil 5 mL
• 1 tsp herbes de Provence 5 mL
• 1/2 tsp black pepper 2 mL
• 1 top sirloin roast (approx. 1.5 kg/3 lb)
• 2 cups beef stock 500 mL