Quick and Easy Tuna, Tomato and Mustard Tart Recipe - Policital Insights

Ingredients

• 1 sheet puff pastry, thawed
• 1 tablespoon Dijon mustard
• 1 can (5 oz) tuna, drained and flaked
• 1 cup cherry tomatoes, halved
• 1/4 cup red onion, thinly sliced
• 2 cups baby spinach
• 1 cup shredded mozzarella cheese
• 1/4 cup grated Parmesan cheese
• 1 tablespoon olive oil
• Salt and pepper, to taste
• 1 tablespoon chopped fresh basil, for garnish (optional)