Sweet and Hot Grilled Shrimp and Peaches

Name: Sweet and Hot Grilled Shrimp and Peaches
Ingredients: 3 large, ripe peaches; 1 - 2 limes; 2 tablespoons olive oil plus more for brushing; 3 teaspoons garlic chili sauce; 2 teaspoons fish sauce; 3 1/2 teaspoons soy sauce; 4 tablespoons honey; 2 teaspoons Thai seasoning paste (such as Gourmet Garden); 1 -2 teaspoons Thai spice blend (store bought or homemade); 3/4 pound large shrimp, peeled (tail on) and deveined; 1 scallion; 1 1 knob fresh ginger, peeled and grated; 1/4 teaspoon sesame oil