Cauliflower Steaks & Pesto Pasta

Name: Cauliflower Steaks & Pesto Pasta
Cuisine: Italian, European, Mediterranean
Ingredients: 1 large head cauliflower; Dash of salt & freshly ground black pepper; Dash of garlic powder; Dash of smoked paprika; ¾ cup flour; 1 tablespoon cornstarch; 1 teaspoon smoked paprika; ¾ teaspoon salt, or to taste; ½ teaspoon garlic powder; ½ teaspoon onion powder; ½ teaspoon fine grind black pepper; ¾ cup unsweetened non-dairy milk; Neutral cooking oil for pan frying; 6 ounces dry pasta (about 1/3 packet); 1 clove garlic, minced; 1 large ripe avocado; 2 tablespoons fresh lemon juice; ¼ cup pine nuts or walnuts; Handful of fresh basil leaves; 1 cup frozen green peas, thawed; 1/3 cup nutritional yeast or vegan parmesan; ¼ cup plus 2 tablespoons water; Salt and freshly ground black pepper to taste