Preheat oven to 190C.
Line muffin tins with liner.
Whisk flour, sugar, baking powder, baking soda, and salt in a large mixing bowl.
Add in egg, oil, buttermilk, and vanilla extract.
Mix until just combined.
Fold in chia seeds, making sure not to over-mix the batter.
Fill liner half way full, then drop 1 tbsp of jam in the middle of each liner.
Continue filling liner with batter until 3/4 full.
Bake for 20 minutes or until skewer comes out clean.