Warm Lentil Salad with Beer and Mustard Dressing

Ингредиенты

• 1 egg yolk
• 3 tbsp (45 ml) pale beer
• 2 tbsp (30 ml) whole-grain mustard
• 1 tbsp (15 ml) cider vinegar
• 1/2 cup (125 ml) canola oil
• 2 cups (400 g) baby potatoes, halved or quartered depending on size
• 1 lb (450 g) mild Italian sausage (about 4)
• 2 tbsp (30 ml) canola oil
• 1 lb (450 g) asparagus, trimmed
• 3 cups (750 ml) water
• 1/2 tsp salt
• 1 cup (200 g) dried green lentils, rinsed and drained
• 1 onion, finely chopped