Marinated Broccoli Salad - Easy to Make, Nutritious and Delicious!

Ingredients

• 12 ounces broccoli florets
• 12 cherry tomatoes, halved
• 4-5 mushrooms, sliced
• 1 small cucumber (100 g), sliced
• 1 orange bell pepper (capsicum), seeded and sliced
• 1/8 red onion, thinly sliced
• 12-15 pitted kalamata olives
• 1/2 cup (100 g) extra virgin olive oil
• 3 Tablespoons (45 g) white balsamic vinegar
• 1/4 teaspoon (1 g) stone-ground or Dijon mustard
• Kosher salt, to taste
• Freshly ground pepper, to taste