Spinach Salad

Name: Spinach Salad
Ingredients: 5 oz. fresh spinach; 1 apple, such as Honeycrisp, thinly sliced; 1/3 c. crumbled feta; 1/4 red onion, thinly sliced; 1/4 c. sliced almonds, toasted; 1/3 c. olive oil; 3 tbsp. red wine vinegar; 1 clove garlic or 1/2 shallot, minced; 2 tsp. dijon mustard; Kosher salt; Freshly ground black pepper