Chef John's Garlic Scape Pesto

Ingredients

• 1 cup roughly chopped garlic scapes
• 1 lemon, juiced
• 1 tablespoon white wine vinegar
• 0.5 teaspoon kosher salt, or to taste
• 0.25 cup olive oil
• 0.25 cup canola oil
• 0.5 cup toasted walnuts