Healthy Apple Crisp with Oatmeal Topping

Name: Healthy Apple Crisp with Oatmeal Topping
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 6 cups apples (about 6 medium apples, peeled or unpeeled and thinly sliced); 1/4 cup pure maple syrup; 1 tablespoon lemon juice; 1 tablespoon arrowroot powder or cornstarch; 1 teaspoon ground cinnamon; 1/8 teaspoon ground nutmeg; 1/8 teaspoon sea salt; 1 cup coconut sugar; 1 cup old-fashioned rolled oats (certified gluten-free if needed); 1/2 cup almond flour; 1/2 cup chopped pecans or walnuts; 1/2 cup coconut oil (solid and softened but not melted)