Combine all ingredients in a small saucepan over medium-high heat. Crush berries with a wooden spoon; bring to a simmer and cook 1 minute. Remove from heat and let cool.
To make oatmeal:
Combine all ingredients in another small saucepan. Bring to a simmer over medium heat and cook 5-7 minutes, or until desired consistency.
Top oatmeal with jam, blackberries, pumpkin seeds, hemp seeds, and pomegranate arils. Add an extra splash of almond milk, if needed.