Spring Salad with Radishes

Ingredients

• ½ cup olive oil or vegetable oil
• 3 Tbsp. grated parmesan cheese
• ¼ tsp. kosher salt, plus more to taste
• Black pepper, to taste
• ¼ tsp. sugar
• 1 to 2 dashes paprika
• 1/3 cup fresh lemon juice
• 1 garlic clove
• 1 (5-oz.) package baby kale (about 6 c.)
• 1 (5-oz.) package baby romaine (about 6 c.)
• 1 head Boston lettuce, torn (about 6 c.)
• ½ small red onion, thinly sliced
• 6 radishes, thinly sliced