Thai Grilled Steak Salad

Ingredients

• 1 1/2 pound rib-eye steak
• salt
• vegetable oil
• 1/4 cup lime juice
• 2 tablespoon fish sauce
• 1/2 teaspoon sugar
• 1 small head lettuce
• 1/2 cup mint leaves
• 1/2 cup cilantro leaves
• 1 medium cucumber, thinly sliced
• 1/2 pint cherry tomatoes, halved
• 1/4 medium red onion, thinly sliced