Kale Pesto (in 5 minutes!)

Ingredients (for 2 servings)

• 1 bunch — kale
• 3 cup — walnuts
• 2 tbsp — lemon juice
• 3 clove — garlic
• 3 tsp — fine sea salt
• 1 cup — extra-virgin olive oil
• 0 whole — water as needed to blend
• 12 oz — linguine
• 1 tbsp — olive oil
• 1 cup — cherry tomatoes
• 1 whole — red onion