Blueberry Breakfast Cake....that's what the recipe is called. Waiting for it to cool.
Update: after cooling and tasting, I would make again. It's dense and a bit on dry side (which I like with morning coffee), not too sweet other than the topping.
I increased blueberries to 2.5 cups and I added pinches of salt to both the batter and the topping as I think most baked goods benefit from some salt. "Batter" so thick I used my hands to mix in the fruit and to pat it into the pan.
This is recipe, https://amandascookin.com/blueberry-breakfast-cake/