Preheat the oven to 400 degrees F.
In a large bowl combine the flour, salt, baking powder, and baking soda. Mix well.
Add the raspberries to coat them with the flour mixture.
In a separate bowl, combine the wet ingredients.
Mix well.
Add the wet ingredients into the dry ingredients.
Fold the two mixtures together taking care to not overmix.
Prepare a 12-cup muffin tin.
Scoop the batter evenly into the muffin tin.
Bake for 15 minutes.
Cool on a cooling rack before storing. See notes.