Stuffed Peppers with Thai Curry Rice and Mushrooms

Name: Stuffed Peppers with Thai Curry Rice and Mushrooms
Ingredients: 4 large bell peppers; 2 tablespoons unsalted butter or grapeseed oil; 2 medium shallots, minced; 4 garlic cloves, minced; Salt; 3/4 cup long-grain white rice; 1/2 cup unsweetened coconut milk; 1 tablespoon minced fresh ginger; 1 tablespoon Thai red curry paste; 1 large jalapeño, finely chopped with seeds; 3/4 pound oyster mushrooms, cut into 1/2-inch pieces; 4 cups chopped spinach; 1/4 cup chopped Thai basil, plus more for garnish; 1 tablespoon fresh lemon juice