Aunt Trish's Salad Dressing

INGREDIENTS

• 3/4 cup olive oil or vegetable oil
• Dash or 2 of paprika
• 1 garlic clove, peeled and left whole
• 1/4 teaspoon sugar
• 4 tablespoons grated Parmesan, more to taste
• Juice of 2 lemons
• 1/2 small red onion, thinly sliced
• 1 cup red grape tomatoes, halved
• 1/4 teaspoon salt (or more to taste)
• Green lettuce leaves
• Freshly ground black pepper