Quesadilla with mushroom and spinach

Name: Quesadilla with mushroom and spinach
Cuisine: American, Mexican, Latin American
Ingredients: 2 tablespoons butter; 2 garlic cloves; 750 grams mushrooms; 1 teaspoon salt; 2 tablespoons taco spices; 1 can green lentils; 200 grams spinach; 1 can sweetcorn; 100 grams cheese; 6 wraps; 4 avocados; 150g cashew nuts, 3 dl; 2 dl plant milk; 1/2 lemon; 1 tbsp olive oil; 1 garlic clove; 1/2 tsp apple cider vinegar; 1 tbsp nutritional yeast; 1/2 tsp salt