Ingredients
Method
- Combine all ingredients in a food processor, or rub between fingers until mixed and crumbly. Set aside.
- In the bowl of a stand mixer fitted with a paddle attachment, cream together the butter, cream cheese, vanilla, and sugar until light and fluffy.
- Slowly beat in the eggs one at a time until just combined.
- In a separate bowl, whisk together the flour, salt, baking powder, nutmeg, and cinnamon.
- Mix the flour mixture into the butter mixture 1/3 at a time, alternating with the milk. Continue this process until all ingredients are combined.
- Scrape down the sides of the bowl and give the batter a quick mix. Transfer batter to a piping bag and pipe into your jumbo muffin tins, filling them about 1/3 the way full.
- Sprinkle the frozen blueberries evenly onto the first layer of batter. Pipe the remaining batter on top of the first layer and blueberries. When finished your muffin tins should be about 2/3 the way full.
- Evenly spread the rest of the blueberries across the 2nd layer of batter, and top with crumb topping.
- Bake at 400° F for 25-30 minutes, rotating the pan halfway through. The muffins are done when you insert a toothpick, and when you pull it out there is no wet batter on it! Let cool completely before enjoying.