Miscellaneous with dijon

8 ounce penne 1 lb beef , tenderloin 1 x red pepper , charred, deseeded, and, skin removed 1 bn asparagus , blanched, and, grilled 1 lrg onion , grilled, and,[...]

1 tablespoon Dijon mustard 2 tablespoons champagne vinegar (can sub rice vinegar or white wine vinegar) 1/4 teaspoon kosher salt 1/8 teaspoon ground black[...]