Zucchini Lasagna

Ingredients (14)

• 3 medium/large zucchini about 2 pounds
• 3 tablespoons extra-virgin olive oil divided
• 1 1/2 teaspoons kosher salt divided
• 1/2 teaspoon black pepper divided
• 1 pound lean ground beef or ground bison
• 1/2 teaspoon dried oregano
• 3 cloves garlic minced
• 1 (24-ounce) can prepared marinara-style pasta sauce (I like DeLallo or Rao's)
• 1 (16-ounce) container low-fat cottage cheese or part skim ricotta cheese
• 1 (10-ounce) package frozen chopped spinach thawed with excess water squeezed out
• 1/2 cup finely grated Parmesan divided
• 1 large egg
• 1 cup shredded part-skim mozzarella cheese or a blend of mozzarella and provolone
• 1/4 cup thinly sliced fresh basil