Shrimp Broccoli Pasta

Name: Shrimp Broccoli Pasta
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American, Italian
Ingredients: 8 oz bowtie pasta (dried, aka farfalle); 1 1/2 cups broccoli florets (1 small head of broccoli); 1 cup ricotta cheese; 3/4 cup parmesan cheese (grated, divided); 2 tbsp lemon juice; 1 tsp lemon zest; 3 tbsp olive oil (divided); 1 tbsp butter; 1 lb shrimp (defrosted, deveined); 2 garlic cloves (minced); 1/2 tsp red pepper flakes (divided); 1 tsp salt (divided); 1/4 tsp ground pepper (divided); 2 tbsp pine nuts (optional, toasted); 1/4 cup parsley (optional, finely chopped)