Hot Italian Beef Sandwich

Step 1: Sear & Braise the Beef
1 Preheat oven to 325°F (163°C).
2 Pat beef dry, season with salt and pepper, and sear in olive oil until browned on all sides.
3 Add beef stock, garlic, miso, paprika, chili flakes, onions, carrots, celery, oregano, peppercorns, and bay leaf.
4 Bring to a simmer, cover, and braise in the oven for 1 hour or until fork-tender.
5 Remove beef and let cool, then wrap and refrigerate. Strain the broth and set aside.
Step 2: Make the Giardiniera
7 Combine chopped veggies in a quart jar or container.
8 Simmer vinegar, water, salt, sugar, peppercorns, and bay leaf.
9 Pour hot brine over veggies, then top with olive oil. Let cool and refrigerate.
Step 3: Assemble the Sandwiches
11 Thinly slice chilled beef.
12 Bring strained broth to a boil in a skillet and warm the sliced beef for 3–5 minutes.
13 Lightly toast rolls, layer with warm beef, spoon over jus, and top with giardiniera.
14 Serve with extra jus for dipping.