Delicious Bubble-Up Meatball Sub Casserole is low on effort, but big on satisfying taste. I seriously want a helping of it right now. Good news for me is I have leftovers in the refrigerator (did I mention this recipe is pretty generous?). Great news for you is that you can have it made and baked in way under an hour.
This is my go-to meal when kids are congregating at our house or we have people over to hang out by the pool. It’s cheaper than ordering pizza and easier than slaving over a hot grill. You can definitely assemble it a couple of hours before popping it in the oven, but not much more than that or the biscuits start to flatten out.
This recipe is basically little to no prep consisting of refrigerated biscuits, frozen meatballs, marinara sauce, and cheese.
There is one step I like to add when time permits because it really ups the flavor: sauteing peppers and onions. To save time, you could purchase pre-chopped veggies either fresh or frozen at the store because the sauteing really only takes about two minutes.
The only other prep is the biscuits. Once you separate them into 8 biscuits, you then need to cut each biscuit into sixths or even eighths. You need them small so that they bake up nicely to provide the bubble-up in your casserole.
After this, it’s just tossing together ingrredients and baking. One note: I use a four quart dish for this to give it plenty of room to spread out. You don’t want the ingredients too deep or you might end up with soggy biscuits.
While this casserole lands firmly in the land of comfort foods, it’s not too terrible on the calories if you use turkey meatballs. I calculated on My Fitness Pal that one very generous serving containing 3.0 ounces of meatballs, one biscuit, 0.2 cups sauce, and 1 ounce of cheese was 470 calories. If you split the casserole evenly into ninths, the calorie count is about 300. Not too bad for something that is so satisfying. The calorie count could have been lowered further if I used reduced calorie mozzarella.
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