Grain-Free Meatballs with Red Wine Gravy

As I was looking for a meatball and gravy recipe the other day, I ran across a recipe for Braised Meatballs in Red-Wine Gravy at Epicurious. Originally I envisioned making something like Swedish Meatballs but decided this recipe looked better. I ended up trying it three ways - one with a white wine/mustard gravy served over turkey meatballs, one with the original red wine/tomato paste gravy and