Preheat oven to 400F and line your muffins pan with cupcake liners
In a large bowl, whisk together the flour, sugar, baking powder and salt.
Make a well in the center and add the milk, oil, and stir until just combined. It’s important not to overmix.
If making 3 different flavors of muffins, divide the batter into 3 bowls and then add the blueberries in one bowl, chocolate chips in bowl 2, and dried cranberries in bowl 3 and then fold- do not overmix. (Batter will be thick)
Using a mini cookie scooper add the batter in the baking cups and bake for 8 minutes or when the toothpick comes out crumb0free