Berry Spinach Salad with Balsamic Vinaigrette

Ingredients

• 4 oz fresh spinach
• handful of strawberries, slices into halves or quarters
• handful of blackberries
• handful of blueberries
• 1 avocado, sliced
• 1 slice of red onion, cut into half rings
• handful of chopped pecans
• handful of feta cheese
• cracked black pepper
• 3 tbsp olive oil or avocado oil
• 2 tbsp balsamic vinegar
• 1 tsp dijon mustard
• salt
• pepper