Mock Apple Crisp from Zucchini

• 6 cups peeled and sliced zucchini
• 3 Tablespoons lemon juice
• 2/3 cup sweetener, 
• 3/4 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• TOPPING:
• 1/2 cup chopped pecans
• 1/2 cup almond flour
• 1/4 cup  low carb baking mix
• 1 teaspoon cinnamon
• 1/4 cup butter