1. Place rack in the middle of the oven. Preheat oven to 180°C (350°F). Fill 12 muffin tins with paper liners. 
2. Mix together the rolled oats, flour, baking powder, baking soda, and salt in a bowl. Set aside.
3. Beat brown sugar together with wet ingredients excluding the jam in a blender. 
4. Integrate dry ingredients into wet ingredients until mixture is smooth. 
5. Pour a little batter into bottom of muffin tins, top with about 5 mL (1 tsp.) jam, and then cover with remaining batter. 
6. Bake for 20 minutes and let cool. 

Chef’s secret

Vary the muffins by using different jam fillings. These muffins keep well in the fridge.