Grilled Steak Salad with Pineapple Vinaigrette and Asparagus - ioanacooks

Ingredients

• 4 beef sirloin steaks (170 g / 6 oz each)
• 1/2 cup fresh pineapple juice
• 1/2 cup white wine vinegar
• 1/2 cup extra virgin olive oil
• 1/4 cup light brown sugar
• 2 tablespoons grated fresh ginger
• 2 tablespoons soy sauce
• 2 tablespoons Dijon mustard
• 1 teaspoon ground coriander
• 1/2 teaspoon salt
• 1/2 teaspoon freshly ground black pepper
• 1 cup diced fresh pineapple
• 1 bunch asparagus, tough ends removed
• 1 thick slice red onion
• 8 cups butter lettuce