French baguettes or Italian bread, 1/4-inch slices .
3 tbsps olive oil .
2 tbsps white horseradish .
BEEF .
1 1/2 lbs beef tenderloin (ask butcher to trim & preprare) .
coarse salt .
finely sliced green onions, for garnish .
1 tbsp sliced brined green peppercorns .
1-2 garlic clove, smashed .
crushed red pepper flakes, to taste (optional) .
1 tbsp fresh tarragon .
HORSERADISH CREAM .
5-7 sliced green onions, including tender green tops .
1/2 c whipped cream cheese, at about room temp
Directions
Step #1 PREPARE THE FILLET:.
Step #2 Preheat oven to 400ºF.
Step #3 Allow beef to come to room temperatue, about 30 mins.
Step #4 In a small bowl, tarragon, stir this together the green peppercorns, garlic, sliced green onions, & 1/2 tsp salt.
Step #5 Spread the mixture out on a plate or platter large enough to hold the beef.
Step #6 Brush 1 tbsp of the olive oil on all sides of the beef fillet.
Step #7 Roll the fillet in the green peppercorn mixture, pressing lightly so that it adheres to the surface.
Step #8 In a large, ovenproof nonstick frying pan over high heat, warm the remaining 2 tbsps of olive oil.
Step #9 Add the beef & sear until browned on all sides, 3-4 mins.
Step #10 Place in the oven & cook this until an instant read thermometer, inserted in the thickest part of the fillet registers 120ºF(54ºC)for medium rare 8-10 mins.
Step #11 Transfer the beef to a piece of aluminum foil wrap & let cool to about room temp.
Step #12 Wrap the beef in the foil wrap & put in the fridge for at least 4 hrs up to overnight.
Step #13 PREPARE THE BAGUETTE:.
Step #14 Reduce the oven temperature to 300ºF.
Step #15 Arrange the baguette slices in a single layer on a rimmed baking sheet.
Step #16 Place in the oven & toast, until golden brown on both sides, truning every once in awhile, 15-20 mins total.
Step #17 Remove from the oven & let cool.
Step #18 (The toasts can be stored in an airtight container at about room temp overnight).
Step #19 PREPARE THE HORSERADIH CREAM:.
Step #20 In a small bowl, whisk together the cream cheese, & red pepper flakes, horseradish, if using.
Step #21 *(The cream can be stored in the refrigerator overnight; bring to about room temp before using, the longer you let it marry the better it will to taste.
Step #22 ).
Step #23 TO ASSEMBLE:.
Step #24 Remove the beef from the refrigerator, unwrap & slice against the grain as thinly as possible.
Step #25 (Slice when it is cold & you'll be able to slice it even thinner).
Step #26 Spread an equal amount of the horseradish cream on each of the toasts.
Step #27 Place a slice or two of beef on top of the cream cheese.
Step #28 Garnish each canapé with a few slices of green onion.
Step #29 Arrange the canapés on a doily or festive napkin-lined tray & serve as soon as possible.