Preheat oven to 425 °F.
Line 18 muffin tins with paper liners.
In a mixing bowl, whisk together the eggs, 1 stick melted butter, coconut oil, honey, yogurt, vanilla, and milk until combined.
Add 3 cups flour, baking powder, baking soda, and salt, mix until just combined.
Gently fold in the blueberries and jam, being careful not to overmix.
Spoon the batter into prepared muffin tins with a scoop.