Broccoli Almond Salad in Radicchio Cups

1 lb broccoli
1 lemon
1/2 low-fat buttermilk
1 Tbsp apple cider vinegar
1 tsp honey
1/2 tsp Dijon mustard
Pinch of kosher salt, or to taste
Pinch of freshly ground black pepper, or to taste
2 Tbsp sliced almonds, toasted
1 Tbsp golden raisins
4 radicchio leaves
2 c. shredded romaine lettuce

Cut the florets from the head of broccoli into bite0size pieces. Use a sharp paring knife to peel off the tough outer layer of the stem. Cut the stem lengthwise in half and then slice about 1/4 inch thick. (Makes about 4 c. florets and sliced stem). Blanch (10 s) and shock broccoli 2 min). Drain broccoli.
Grate 1 tsp zest from the lemon. Set the zest and the lemon aside.
In a small bowl, combine buttermilk, vinegar, mustard, honey, lemon zest, salt, and pepper. Whisk until combined.
Stir the almonds and raisins into the broccoli. Add the dressing and toss to combine. Cover and refrigerate for at least 30 minutes and up to 3 hours before serving.
To serve, place 1 radicchio leaf on each of four plactes. Fill each radicchio leaf with shredded romaine. Spoon the broccoli salad on top. Squeeze 1-2 tsp of lemon juice from th reserved lemon over each salad. Serve.