Mashed potatoes with mushroom sauce

Ingredients

• 1 large head of cauliflower, cut into florets;
• 2 potatoes, diced;
• 2 cloves of garlic;
• 1/2 tsp olive oil;
• 1/4 tsp. sea salt .
• 6 cups mushrooms;
• 1 onion, diced;
• 1/4 cup dried tomatoes ;
• 1/4 cup of mashed potatoes and cauliflower;
• 1/8 tsp or a pinch each of thyme, sage, and rosemary.