Pumpkin Spice Oatmeal Crumble Muffins

Name: Pumpkin Spice Oatmeal Crumble Muffins
Ingredients: 3/4 cup sprouted rice flour; 3/4 cup millet flour; 1/2 cup almond flour; 2 tablespoons chia seeds; 3/4 cup coconut sugar; 2 teaspoons baking powder; 1/2 teaspoon baking soda; 1 teaspoon salt; 2 teaspoons pumpkin pie spice; 1 tablespoon lemon juice; 1 egg; 1/2 cup pumpkin puree; 1/3 cup olive oil; 1/3 cup unsweetened coconut milk; crumble topping; 1/3 cup purely elizabeth oatmeal original; 2 tablespoons coconut sugar; 2 tablespoons olive oil