Equipment
Ingredients
Root Vegetable Chips
- 150 g parsnip, unpeeled and untrimmed
- 150 g carrot, unpeeled and untrimmed
- 500 ml sunflower oil
- 2 g fine sea salt
Sandwiches
- 4 rye bread, sliced
- 200 g cooked beef pastrami, thinly sliced
- 100 g swiss cheese, sliced
- 60 g dill pickled cucumber, thinly sliced and drained
- 30 g dijon mustard
- 30 g unsalted butter, softened
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 1078 kcal
- Protein
- 45 g
- Carbohydrates
- 63 g
- Fat
- 72 g
- Fiber
- 11 g
- Sugar
- 10 g
- Sodium
- 2665 mg
- Saturated Fat
- 23 g
- Potassium
- 883 mg
- Calcium
- 600 mg
- Iron
- 5.9 mg
- Magnesium
- 97 mg
- Phosphorus
- 647 mg
- Zinc
- 8.7 mg
- Vitamin A
- 751 mcg
- Vitamin C
- 15 mg
- Water
- 253 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Peel the parsnips and carrots using a vegetable peeler, then trim away the root tips and stem ends.
Slice the peeled parsnips and carrots into uniform 1 mm rounds using a mandoline slicer.
Spread the sliced root vegetables across paper towels and press firmly with additional paper towels to remove all surface moisture.
Pour sunflower oil into a Dutch oven and heat over medium heat until the temperature registers 160°C (320°F) on a deep-fry thermometer.
Fry the vegetable slices in two separate batches for 2 to 3 minutes per batch, stirring gently with a spider strainer until bubbling subsides and edges become light golden.
Transfer the hot chips with the spider strainer to a wire cooling rack set over a baking sheet and season immediately with 1 g of fine sea salt per batch.
Lay the four slices of rye bread on a cutting board, spread 15 g of Dijon mustard over each of two base slices, then layer one slice of Swiss cheese, 100 g of cooked beef pastrami, 30 g of drained pickled cucumber, a second slice of Swiss cheese, and the top bread slice onto each sandwich.
Spread softened unsalted butter evenly across the top and bottom outer surfaces of both assembled sandwiches.
Place a large cast-iron skillet over medium-low heat and preheat until evenly warm across the surface.
Place both buttered sandwiches into the cast-iron skillet, cover with a lid or inverted metal pan, and toast for 3 to 4 minutes until the bottom bread turns golden brown and the lower cheese layer softens.
Flip the sandwiches using a spatula, re-cover, and cook the second side for 3 to 4 minutes until the bread is crisp and an instant-read probe thermometer inserted into the center of the pastrami reaches at least 74°C (165°F).
Transfer the sandwiches to a cutting board, slice each diagonally using a chef knife, and serve immediately alongside the crispy parsnip and carrot chips.
Chef's Notes
- Placing cheese slices both below and above the pastrami creates a protective barrier that seals bread from moisture and binds the sandwich together as it melts.
- Always press pickled cucumber slices thoroughly between dry paper towels before assembling to keep acidic brine from making the toasted rye soggy.
- Parsnips and carrots caramelize much faster than starchy potatoes; frying at 160°C (320°F) rather than standard 180°C (350°F) prevents scorching while ensuring a dry, crisp crunch.
- Covering the griddling skillet mimics a panini press or salamander, recirculating warm convective heat to ensure the pastrami safely hits 74°C (165°F) before the bread over-browns.
Storage
Refrigerator: 3 days — Store sandwich components separately if possible, or refrigerate assembled leftovers in an airtight container within two hours of cooking.
Reheating: Reheat sandwiches in a covered skillet over medium-low heat or in a preheated oven at 175°C (350°F) until the center reaches at least 74°C (165°F). Re-crisp chips on a baking sheet in a 150°C (300°F) oven for 3 to 5 minutes.
Troubleshooting
Chips turn dark brown or bitter before turning crisp
Cause: Oil temperature was too high above 165°C (330°F), scorching the natural sugars present in parsnips and carrots.
Fix: Lower heat immediately to let oil cool before frying the next batch; burned chips cannot be rescued.
Prevention: Regulate burner heat carefully using a deep-fry thermometer to keep oil between 155°C and 160°C.
Sandwich bread burns before cheese melts and pastrami is hot
Cause: Pan surface was too hot or the skillet was left uncovered during cooking.
Fix: Transfer the sandwich to an oven preheated to 175°C (350°F) for 4 to 5 minutes until the core reaches 74°C (165°F), then lightly scrape any surface char with a serrated knife.
Prevention: Maintain medium-low skillet heat and cover the pan with a lid to trap steam that melts the cheese and reheats the filling.
Chips emerge soft and pliable rather than brittle and crispy
Cause: Excess water was left on vegetable slices or the pan was crowded, depressing oil temperature.
Fix: Spread soggy chips onto a baking sheet and bake at 150°C (300°F) for 4 to 6 minutes to evaporate residual water.
Prevention: Press slices completely dry with paper towels and fry in modest batches.
Cultural Context
The warm pastrami melt is a fixture of American delicatessen heritage, originating in the late nineteenth century among Jewish immigrants in New York City who perfected cured, smoked brisket. Griddling the sandwich with sharp mustard, pungent pickles, and alpine cheeses combines deli traditions with diner patty-melt techniques. Pairing the savory sandwich with crisp root vegetable chips modernizes the classic deli combo of a sandwich, pickle spear, and potato chips.
