Sweet basil pesto tapenade scrolls

Ingredients

• 3 cups fresh basil leaves
• 150 g walnut pieces
• 2 - 4 cloves garlic
• 1/3 cup extra-virgin olive oil
• 1/4 cup walnut oil
• 1/3 cup maple syrup
• 1 tsp grated fresh lemon zest
• 1 1/2 tsp salt, or to taste
• Black pepper