The Best Homemade Ketchup Recipe {Vegan, Gluten-Free} - The Blender Girl

Ingredients

• 2 (14.5-ounce/411g) cans unsalted diced tomatoes (or crushed tomatoes)
• 1/3 cup (50g) diced red onion
• 2 tablespoons tomato paste
• 2 1/2 tablespoons pure maple syrup (or Lakanto for sugar-free)
• 2 1/2 tablespoons apple cider vinegar
• 2 teaspoons minced garlic (2 cloves)
• 1 teaspoon Celtic sea salt, plus more to taste
• 1/2 teaspoon gluten-free vegan Worcestershire sauce
• Pinch of yellow mustard powder
• Pinch of freshly ground black pepper
• 1 teaspoon cornstarch (or arrowroot)
• 1 teaspoon filtered water