A Big Green Cobbler with Leeks, Gruyere, and Split Peas - Half Cup Habit

Ingredients

• 3 tbsp butter
• 3 leeks (chopped)
• 1 zucchini (chopped)
• salt and pepper
• 1 bunch green onions (chopped, whites separated from the greens)
• 2 large cloves garlic (minced)
• 1/4 cup flour
• 1 1/2 cups vegetable broth (or chicken)
• 1/4 cup cream (heavy)
• 2 cups spinach (packed)
• 1 cup gruyere cheese (shredded)
• 1/2 cup split peas (dried; cooked according to the package directions)
• 1 1/4 cup flour (all-purpose; plus more for dusting)
• 1/2 cup flour (whole wheat)
• 2 tsp baking powder
• 1/2 tsp salt
• 14 tbsp butter (cold and cubed)
• 3 tbsp buttermilk
• 1 egg (beaten)