Butternut Squash Sambar

Name: Butternut Squash Sambar
Cuisine: Asian, Indian
Ingredients: ½ tsp - Turmeric Powder; ⅛ tsp - Hing Powder; ½ cup - Toor Daal; 2 cups - Water; ¼ tsp - Mustard Seeds; ½ tsp - Cumin Seeds; 5-7 - Curry Leaves; 2 Tbs. Homemade or Store-Bought Sambar powder (Look at Tips & Tricks for Sambar Powder Recipe); 1 Tbs - Tamarind Pulp Block - size of ping pong ball (Look at Tips& Tricks on how to substitute); 5-6 cups - Water; 5 - Shallots (200g) - finely chopped; 4 - Garlic Cloves - thinly sliced; 4 - Thai Green Chilies - finely chopped; 1 lb - Butternut Squash - 1" cubes; 2 - Roma Tomatoes (225g) - finely chopped; 3 tsp - Kosher Salt - plus more to taste; 2 Tbs - Vegetable Oil; (Optional) Chopped Cilantro; (Optional) Cooked Rice or Roti to eat with Sambar