Cauliflower Tikka Masala

Name: Cauliflower Tikka Masala
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: Indian
Ingredients: 1 medium cauliflower (, washed and cut into medium-small florets); 1.5 cup white onion (, diced (about 1 medium white onion)); 6 cloves garlic (, minced); 1/2 inch ginger (, outer skin removed, finely grated); 1/2 green jalapeno (, diced (more or less as needed for spice)); 1/2 teasp mustard seeds; 1 tbsp cooking oil; freshly chopped cilantro (for garnish); 2 tbsp cashew cream (, optional (see notes)); 3 medium vine-ripe tomatoes (, halved); 1 medium red bell pepper (, stem and seeds removed); 1/2 cup fresh cilantro (, loosely packed); 3/4 cup full-fat coconut milk; 3/4 teasp garam masala; 1/2 teasp ground corriander; 1/4 teasp ground turmeric; 1/2 teasp ground cinnamon; 1/2 teasp salt (add more if needed to taste); chili powder (, as needed for spice (optional)); 1/2 cup raw unsalted cashews (, soaked for 2-3 hours); 1/4 cup water