Vegetarian Meatloaf

Prep/Total time: 1 hour 50 minutes     Serves 6

1             large red bell pepper
1             large green bell pepper
2             pounds  cremini  mushrooms  , coarsely  chopped
1             tablespoon olive oil 
1             cup 1/2-inch asparagus pieces
1/2          cup chopped  red onion
1             cup panko (Japanese breadcrumbs)
1             cup chopped walnuts , toasted
2             tablespoons chopped  fresh basil
1             tablespoon Ketchup
 1            tablespoon Dijon mustard
1/2          teaspoon kosher salt
1/2          teaspoon freshly ground black pepper
4             ounces  fresh Parmigiano-Reggiano cheese , grated
2             large eggs , lightly beaten
                            cooking spray
TOPPING :
2               tablespoons ketchup
1               tablespoon Vodka or vegetable broth
1/4            teaspoon Dijon mustard

1 .       Preheat broiler  to high .
2 .       To prepare  meat loaf , cut bell peppers  in half  lengthwise  ; discard the membranes  . Place  pepper halfs  , skin sides  up on foil-lined  baking  sheet ; flatten with hand . Broil 12 minutes  or until  blackened . Place in a paper bag  ; fold to close  tightly . Let stand for 10 minutes . Peel and chopped . Place bell peppers in a large bowl .
3 .         Reduce oven temperature  to 350*F.
4 .         Place about  1/4 of mushrooms  in a food processor  ; pulse 10 times  or until finely chopped . Transfer  chopped mushrooms  to a bowl . Repeat procedure  3 times  with remaining  mushrooms .
5.          Heat a large nonstick  skillet over medium-high heat  . Add oil to pan  ; saute 15 minutes  or until liquid evaporates , stirring  occasionally . Add mushrooms  to bell peppers  . Wipe pan with paper  towels . Add asparagus  and onion  to pan ; saute  6 minutes  or until just tender , stirring  occasionally . Add onion mixture  to mushroom mixture .
6 .          Arrange breadcrumbs  in an even layer  on a baking sheet ; bake at 350*F for 10 minutes  or until golden . Add breadcrumbs  and next 8 ingredients  (through eggs)  to mushroom mixture  , stirring well . Spoon mixture  into a 9x5-inch loaf pan  coated  with cooking spray ; press  gently to pack . Bake  at 350*F  for 45 minutes  or until thermometer  registers 155*F.
7.            TO PREPARE TOPPING :
Combine  2 tablespoons  ketchup  and remaining  ingredients  in a small  bowl ; brush  ketchup  mixture over meat loaf . Bake an additional  10 minutes  . Let stand 10 minutes  ; cut into 6 slices .