Creamy Spring Couscous with Garlic Scape Pesto and Broccoli

2 Garlic Scapes Roughly Chopped
3 green onions roughly chopped
1/4 c chopped walnuts
1/4 c olive oil
Salt and pepper to taste
1 T Olive Oil
1 Shallot finely diced
Salt and pepper and crushed Red Pepper to taste
1 bunch broccoli roughly chopped
2 Cups Israeli Couscous
1/4 c white wine
3 cups stock
2 T Greek Yogurt
1 Green Onion Roughly Chopped

Delicious and satisfying.