Spanikopita Bake

I know that practically every recipe on here uses spinach and cheese, but I just can't help myself.

So here you go... no phyllo dough to mess with and so, so, so easy.

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a little olive oil
1/2 medium onion, chopped (about a cup?)
1-2 cloves garlic, pressed
10 oz. fresh spinach, roughly chopped
6 oz. feta cheese, crumbled
1 egg
1 c. milk
1/4 c. flour
1/2 tsp. salt (use less if you decide to go overboard on the feta)
dash of dill (optional)

1. Saute onions in large non-stick skillet in a teeny bit of olive oil over medium low heat for about 5 minutes. Add garlic, saute 5-7 minutes more, or until onions are starting to look a little caramelized. Add spinach and cook until just wilted. Transfer mixture to 8x8 pan. Cover with crumbled feta cheese.

2. In a mixing bowl, beat egg and add milk, flour, salt and dill if desired. Pour this mixture over spinach/cheese.

3. Bake for 45-50 minutes at 350 or until set.