Veggie Love, Goat Cheese, Celery and Avocado Sandwich with Walnut Butter and Arugula - SippitySup

Ingredients

• 1 cup extra-virgin olive oil
• 2/3 cup freshly squeezed lemon juice
• 2 tablespoon minced shallot
• 2 ¼ teaspoon kosher salt (divided, plus more for seasoning)
• 1 tablespoon sprig fresh rosemary
• 2 cup walnuts (lightly toasted)
• ¼ cup walnut oil (or vegetable oil)
• 1 pinch crushed red pepper flakes (optional)
• 8 slice whole grain multigrain bread
• 5 ounce fresh goat cheese (at room temperature)
• 2 stalks celery (sliced crosswise into ¼” slices)
• 2 cup baby arugula leaves (loosely packed)
• 1 ripe avocado (halved, pitted, peeled, and sliced)
• 1 pinch freshly cracked black pepper (or to taste)