Best Blueberry Banana Muffins

3-5 Handfuls of blueberries
2 Bananas
1 Cup vegetable oil
2 Eggs
3 Cups all purpose flour
1 Tablespoon baking soda
1 Teaspoon salt
1 Cup milk
1 Teaspoon pure vanilla extract
2 Cups sugar
1 Cup boiling water

Preheat oven to 300 degrees. Set water to boil. Beat allĀ ingredientsĀ (except blueberries) with a mixer, adding boiling water last. Fold in blueberries. Pour into greased muffin pans. [...]