Whole Roasted Cauliflower with Stuffing - Meat Free Monday

Ingredients

• 1 vegetable stock cube (e.g. Knorr Vegetable Stock Cube)
• 1 large cauliflower
• 100 ml water
• 100 g kale
• 1 onion
• 1 clove garlic
• 50 g walnuts
• 2 slices white bread
• 1 teaspoon dried sage
• 2 tablespoons olive oil