Preheat oven to 200°C (400°F)
Place rhubarb, cornstarch, and agave nectar in a 22 cm (9 inch) loaf pan and stir to combine.
Combine remaining ingredients and stir well. Sprinkle on top of rhubarb.
Bake for 20 minutes or until the rhubarb is soft and the topping crispy.
Serve warm or cold.